diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs
new file mode 100644
index 0000000000000..369175fb6ab1e
--- /dev/null
+++ b/library/core/src/num/int_macros.rs
@@ -0,0 +1,2201 @@
+macro_rules! int_impl {
+    ($SelfT:ty, $ActualT:ident, $UnsignedT:ty, $BITS:expr, $Min:expr, $Max:expr, $Feature:expr,
+     $EndFeature:expr, $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr,
+     $reversed:expr, $le_bytes:expr, $be_bytes:expr,
+     $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => {
+        doc_comment! {
+            concat!("The smallest value that can be represented by this integer type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, ", stringify!($Min), ");",
+$EndFeature, "
+```"),
+            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
+            pub const MIN: Self = !0 ^ ((!0 as $UnsignedT) >> 1) as Self;
+        }
+
+        doc_comment! {
+            concat!("The largest value that can be represented by this integer type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($Max), ");",
+$EndFeature, "
+```"),
+            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
+            pub const MAX: Self = !Self::MIN;
+        }
+
+        doc_comment! {
+            concat!("The size of this integer type in bits.
+
+# Examples
+
+```
+", $Feature, "#![feature(int_bits_const)]
+assert_eq!(", stringify!($SelfT), "::BITS, ", stringify!($BITS), ");",
+$EndFeature, "
+```"),
+            #[unstable(feature = "int_bits_const", issue = "76904")]
+            pub const BITS: u32 = $BITS;
+        }
+
+        doc_comment! {
+            concat!("Converts a string slice in a given base to an integer.
+
+The string is expected to be an optional `+` or `-` sign followed by digits.
+Leading and trailing whitespace represent an error. Digits are a subset of these characters,
+depending on `radix`:
+
+ * `0-9`
+ * `a-z`
+ * `A-Z`
+
+# Panics
+
+This function panics if `radix` is not in the range from 2 to 36.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
+                from_str_radix(src, radix)
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of ones in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0b100_0000", stringify!($SelfT), ";
+
+assert_eq!(n.count_ones(), 1);",
+$EndFeature, "
+```
+"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn count_ones(self) -> u32 { (self as $UnsignedT).count_ones() }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of zeros in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 1);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn count_zeros(self) -> u32 {
+                (!self).count_ones()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of leading zeros in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = -1", stringify!($SelfT), ";
+
+assert_eq!(n.leading_zeros(), 0);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn leading_zeros(self) -> u32 {
+                (self as $UnsignedT).leading_zeros()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of trailing zeros in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = -4", stringify!($SelfT), ";
+
+assert_eq!(n.trailing_zeros(), 2);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn trailing_zeros(self) -> u32 {
+                (self as $UnsignedT).trailing_zeros()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of leading ones in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = -1", stringify!($SelfT), ";
+
+assert_eq!(n.leading_ones(), ", stringify!($BITS), ");",
+$EndFeature, "
+```"),
+            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[inline]
+            pub const fn leading_ones(self) -> u32 {
+                (self as $UnsignedT).leading_ones()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of trailing ones in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 3", stringify!($SelfT), ";
+
+assert_eq!(n.trailing_ones(), 2);",
+$EndFeature, "
+```"),
+            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[inline]
+            pub const fn trailing_ones(self) -> u32 {
+                (self as $UnsignedT).trailing_ones()
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts the bits to the left by a specified amount, `n`,
+wrapping the truncated bits to the end of the resulting integer.
+
+Please note this isn't the same operation as the `<<` shifting operator!
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $rot_op, stringify!($SelfT), ";
+let m = ", $rot_result, ";
+
+assert_eq!(n.rotate_left(", $rot, "), m);
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn rotate_left(self, n: u32) -> Self {
+                (self as $UnsignedT).rotate_left(n) as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts the bits to the right by a specified amount, `n`,
+wrapping the truncated bits to the beginning of the resulting
+integer.
+
+Please note this isn't the same operation as the `>>` shifting operator!
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $rot_result, stringify!($SelfT), ";
+let m = ", $rot_op, ";
+
+assert_eq!(n.rotate_right(", $rot, "), m);
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn rotate_right(self, n: u32) -> Self {
+                (self as $UnsignedT).rotate_right(n) as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Reverses the byte order of the integer.
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $swap_op, stringify!($SelfT), ";
+
+let m = n.swap_bytes();
+
+assert_eq!(m, ", $swapped, ");
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn swap_bytes(self) -> Self {
+                (self as $UnsignedT).swap_bytes() as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Reverses the bit pattern of the integer.
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $swap_op, stringify!($SelfT), ";
+let m = n.reverse_bits();
+
+assert_eq!(m, ", $reversed, ");
+```"),
+            #[stable(feature = "reverse_bits", since = "1.37.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            #[must_use]
+            pub const fn reverse_bits(self) -> Self {
+                (self as $UnsignedT).reverse_bits() as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts an integer from big endian to the target's endianness.
+
+On big endian this is a no-op. On little endian the bytes are swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"big\") {
+    assert_eq!(", stringify!($SelfT), "::from_be(n), n)
+} else {
+    assert_eq!(", stringify!($SelfT), "::from_be(n), n.swap_bytes())
+}",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
+            #[inline]
+            pub const fn from_be(x: Self) -> Self {
+                #[cfg(target_endian = "big")]
+                {
+                    x
+                }
+                #[cfg(not(target_endian = "big"))]
+                {
+                    x.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts an integer from little endian to the target's endianness.
+
+On little endian this is a no-op. On big endian the bytes are swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"little\") {
+    assert_eq!(", stringify!($SelfT), "::from_le(n), n)
+} else {
+    assert_eq!(", stringify!($SelfT), "::from_le(n), n.swap_bytes())
+}",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
+            #[inline]
+            pub const fn from_le(x: Self) -> Self {
+                #[cfg(target_endian = "little")]
+                {
+                    x
+                }
+                #[cfg(not(target_endian = "little"))]
+                {
+                    x.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts `self` to big endian from the target's endianness.
+
+On big endian this is a no-op. On little endian the bytes are swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"big\") {
+    assert_eq!(n.to_be(), n)
+} else {
+    assert_eq!(n.to_be(), n.swap_bytes())
+}",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
+            #[inline]
+            pub const fn to_be(self) -> Self { // or not to be?
+                #[cfg(target_endian = "big")]
+                {
+                    self
+                }
+                #[cfg(not(target_endian = "big"))]
+                {
+                    self.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts `self` to little endian from the target's endianness.
+
+On little endian this is a no-op. On big endian the bytes are swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"little\") {
+    assert_eq!(n.to_le(), n)
+} else {
+    assert_eq!(n.to_le(), n.swap_bytes())
+}",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
+            #[inline]
+            pub const fn to_le(self) -> Self {
+                #[cfg(target_endian = "little")]
+                {
+                    self
+                }
+                #[cfg(not(target_endian = "little"))]
+                {
+                    self.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer addition. Computes `self + rhs`, returning `None`
+if overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((", stringify!($SelfT),
+"::MAX - 2).checked_add(1), Some(", stringify!($SelfT), "::MAX - 1));
+assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_add(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_add(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer addition. Computes `self + rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self + rhs > ", stringify!($SelfT),
+"::MAX` or `self + rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_add(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_add`.
+                unsafe { intrinsics::unchecked_add(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer subtraction. Computes `self - rhs`, returning `None` if
+overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((", stringify!($SelfT),
+"::MIN + 2).checked_sub(1), Some(", stringify!($SelfT), "::MIN + 1));
+assert_eq!((", stringify!($SelfT), "::MIN + 2).checked_sub(3), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_sub(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_sub(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer subtraction. Computes `self - rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self - rhs > ", stringify!($SelfT),
+"::MAX` or `self - rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_sub(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_sub`.
+                unsafe { intrinsics::unchecked_sub(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer multiplication. Computes `self * rhs`, returning `None` if
+overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT),
+"::MAX.checked_mul(1), Some(", stringify!($SelfT), "::MAX));
+assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_mul(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_mul(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer multiplication. Computes `self * rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self * rhs > ", stringify!($SelfT),
+"::MAX` or `self * rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_mul(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_mul`.
+                unsafe { intrinsics::unchecked_mul(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer division. Computes `self / rhs`, returning `None` if `rhs == 0`
+or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((", stringify!($SelfT),
+"::MIN + 1).checked_div(-1), Some(", stringify!($Max), "));
+assert_eq!(", stringify!($SelfT), "::MIN.checked_div(-1), None);
+assert_eq!((1", stringify!($SelfT), ").checked_div(0), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_div(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
+                    None
+                } else {
+                    // SAFETY: div by zero and by INT_MIN have been checked above
+                    Some(unsafe { intrinsics::unchecked_div(self, rhs) })
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked Euclidean division. Computes `self.div_euclid(rhs)`,
+returning `None` if `rhs == 0` or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!((", stringify!($SelfT),
+"::MIN + 1).checked_div_euclid(-1), Some(", stringify!($Max), "));
+assert_eq!(", stringify!($SelfT), "::MIN.checked_div_euclid(-1), None);
+assert_eq!((1", stringify!($SelfT), ").checked_div_euclid(0), None);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
+                    None
+                } else {
+                    Some(self.div_euclid(rhs))
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer remainder. Computes `self % rhs`, returning `None` if
+`rhs == 0` or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".checked_rem(2), Some(1));
+assert_eq!(5", stringify!($SelfT), ".checked_rem(0), None);
+assert_eq!(", stringify!($SelfT), "::MIN.checked_rem(-1), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_rem(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
+                    None
+                } else {
+                    // SAFETY: div by zero and by INT_MIN have been checked above
+                    Some(unsafe { intrinsics::unchecked_rem(self, rhs) })
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked Euclidean remainder. Computes `self.rem_euclid(rhs)`, returning `None`
+if `rhs == 0` or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(2), Some(1));
+assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(0), None);
+assert_eq!(", stringify!($SelfT), "::MIN.checked_rem_euclid(-1), None);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
+                    None
+                } else {
+                    Some(self.rem_euclid(rhs))
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked negation. Computes `-self`, returning `None` if `self == MIN`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".checked_neg(), Some(-5));
+assert_eq!(", stringify!($SelfT), "::MIN.checked_neg(), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn checked_neg(self) -> Option<Self> {
+                let (a, b) = self.overflowing_neg();
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked shift left. Computes `self << rhs`, returning `None` if `rhs` is larger
+than or equal to the number of bits in `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".checked_shl(4), Some(0x10));
+assert_eq!(0x1", stringify!($SelfT), ".checked_shl(129), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_shl(self, rhs: u32) -> Option<Self> {
+                let (a, b) = self.overflowing_shl(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked shift right. Computes `self >> rhs`, returning `None` if `rhs` is
+larger than or equal to the number of bits in `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".checked_shr(4), Some(0x1));
+assert_eq!(0x10", stringify!($SelfT), ".checked_shr(128), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_shr(self, rhs: u32) -> Option<Self> {
+                let (a, b) = self.overflowing_shr(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked absolute value. Computes `self.abs()`, returning `None` if
+`self == MIN`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!((-5", stringify!($SelfT), ").checked_abs(), Some(5));
+assert_eq!(", stringify!($SelfT), "::MIN.checked_abs(), None);",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_abs", since = "1.13.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn checked_abs(self) -> Option<Self> {
+                if self.is_negative() {
+                    self.checked_neg()
+                } else {
+                    Some(self)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked exponentiation. Computes `self.pow(exp)`, returning `None` if
+overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(8", stringify!($SelfT), ".checked_pow(2), Some(64));
+assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);",
+$EndFeature, "
+```"),
+
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_pow(self, mut exp: u32) -> Option<Self> {
+                if exp == 0 {
+                    return Some(1);
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        acc = try_opt!(acc.checked_mul(base));
+                    }
+                    exp /= 2;
+                    base = try_opt!(base.checked_mul(base));
+                }
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                Some(try_opt!(acc.checked_mul(base)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer addition. Computes `self + rhs`, saturating at the numeric
+bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_add(1), 101);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(100), ", stringify!($SelfT),
+"::MAX);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_add(-1), ", stringify!($SelfT),
+"::MIN);",
+$EndFeature, "
+```"),
+
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_add(self, rhs: Self) -> Self {
+                intrinsics::saturating_add(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer subtraction. Computes `self - rhs`, saturating at the
+numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_sub(127), -27);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_sub(100), ", stringify!($SelfT),
+"::MIN);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_sub(-1), ", stringify!($SelfT),
+"::MAX);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_sub(self, rhs: Self) -> Self {
+                intrinsics::saturating_sub(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer negation. Computes `-self`, returning `MAX` if `self == MIN`
+instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_neg(), -100);
+assert_eq!((-100", stringify!($SelfT), ").saturating_neg(), 100);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_neg(), ", stringify!($SelfT),
+"::MAX);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_neg(), ", stringify!($SelfT),
+"::MIN + 1);",
+$EndFeature, "
+```"),
+
+            #[stable(feature = "saturating_neg", since = "1.45.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn saturating_neg(self) -> Self {
+                intrinsics::saturating_sub(0, self)
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating absolute value. Computes `self.abs()`, returning `MAX` if `self ==
+MIN` instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_abs(), 100);
+assert_eq!((-100", stringify!($SelfT), ").saturating_abs(), 100);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_abs(), ", stringify!($SelfT),
+"::MAX);
+assert_eq!((", stringify!($SelfT), "::MIN + 1).saturating_abs(), ", stringify!($SelfT),
+"::MAX);",
+$EndFeature, "
+```"),
+
+            #[stable(feature = "saturating_neg", since = "1.45.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn saturating_abs(self) -> Self {
+                if self.is_negative() {
+                    self.saturating_neg()
+                } else {
+                    self
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer multiplication. Computes `self * rhs`, saturating at the
+numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(10", stringify!($SelfT), ".saturating_mul(12), 120);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_mul(10), ", stringify!($SelfT), "::MAX);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_mul(10), ", stringify!($SelfT), "::MIN);",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_mul(self, rhs: Self) -> Self {
+                match self.checked_mul(rhs) {
+                    Some(x) => x,
+                    None => if (self < 0) == (rhs < 0) {
+                        Self::MAX
+                    } else {
+                        Self::MIN
+                    }
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer exponentiation. Computes `self.pow(exp)`,
+saturating at the numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!((-4", stringify!($SelfT), ").saturating_pow(3), -64);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_pow(2), ", stringify!($SelfT), "::MAX);
+assert_eq!(", stringify!($SelfT), "::MIN.saturating_pow(3), ", stringify!($SelfT), "::MIN);",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_pow(self, exp: u32) -> Self {
+                match self.checked_pow(exp) {
+                    Some(x) => x,
+                    None if self < 0 && exp % 2 == 1 => Self::MIN,
+                    None => Self::MAX,
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) addition. Computes `self + rhs`, wrapping around at the
+boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_add(27), 127);
+assert_eq!(", stringify!($SelfT), "::MAX.wrapping_add(2), ", stringify!($SelfT),
+"::MIN + 1);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_add(self, rhs: Self) -> Self {
+                intrinsics::wrapping_add(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) subtraction. Computes `self - rhs`, wrapping around at the
+boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0", stringify!($SelfT), ".wrapping_sub(127), -127);
+assert_eq!((-2", stringify!($SelfT), ").wrapping_sub(", stringify!($SelfT), "::MAX), ",
+stringify!($SelfT), "::MAX);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_sub(self, rhs: Self) -> Self {
+                intrinsics::wrapping_sub(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) multiplication. Computes `self * rhs`, wrapping around at
+the boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(10", stringify!($SelfT), ".wrapping_mul(12), 120);
+assert_eq!(11i8.wrapping_mul(12), -124);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_mul(self, rhs: Self) -> Self {
+                intrinsics::wrapping_mul(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) division. Computes `self / rhs`, wrapping around at the
+boundary of the type.
+
+The only case where such wrapping can occur is when one divides `MIN / -1` on a signed type (where
+`MIN` is the negative minimal value for the type); this is equivalent to `-MIN`, a positive value
+that is too large to represent in the type. In such a case, this function returns `MIN` itself.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_div(10), 10);
+assert_eq!((-128i8).wrapping_div(-1), -128);",
+$EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_div(self, rhs: Self) -> Self {
+                self.overflowing_div(rhs).0
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping Euclidean division. Computes `self.div_euclid(rhs)`,
+wrapping around at the boundary of the type.
+
+Wrapping will only occur in `MIN / -1` on a signed type (where `MIN` is the negative minimal value
+for the type). This is equivalent to `-MIN`, a positive value that is too large to represent in the
+type. In this case, this method returns `MIN` itself.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(100", stringify!($SelfT), ".wrapping_div_euclid(10), 10);
+assert_eq!((-128i8).wrapping_div_euclid(-1), -128);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_div_euclid(self, rhs: Self) -> Self {
+                self.overflowing_div_euclid(rhs).0
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) remainder. Computes `self % rhs`, wrapping around at the
+boundary of the type.
+
+Such wrap-around never actually occurs mathematically; implementation artifacts make `x % y`
+invalid for `MIN / -1` on a signed type (where `MIN` is the negative minimal value). In such a case,
+this function returns `0`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_rem(10), 0);
+assert_eq!((-128i8).wrapping_rem(-1), 0);",
+$EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_rem(self, rhs: Self) -> Self {
+                self.overflowing_rem(rhs).0
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping Euclidean remainder. Computes `self.rem_euclid(rhs)`, wrapping around
+at the boundary of the type.
+
+Wrapping will only occur in `MIN % -1` on a signed type (where `MIN` is the negative minimal value
+for the type). In this case, this method returns 0.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(100", stringify!($SelfT), ".wrapping_rem_euclid(10), 0);
+assert_eq!((-128i8).wrapping_rem_euclid(-1), 0);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self {
+                self.overflowing_rem_euclid(rhs).0
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) negation. Computes `-self`, wrapping around at the boundary
+of the type.
+
+The only case where such wrapping can occur is when one negates `MIN` on a signed type (where `MIN`
+is the negative minimal value for the type); this is a positive value that is too large to represent
+in the type. In such a case, this function returns `MIN` itself.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_neg(), -100);
+assert_eq!(", stringify!($SelfT), "::MIN.wrapping_neg(), ", stringify!($SelfT),
+"::MIN);",
+$EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn wrapping_neg(self) -> Self {
+                self.overflowing_neg().0
+            }
+        }
+
+        doc_comment! {
+            concat!("Panic-free bitwise shift-left; yields `self << mask(rhs)`, where `mask` removes
+any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.
+
+Note that this is *not* the same as a rotate-left; the RHS of a wrapping shift-left is restricted to
+the range of the type, rather than the bits shifted out of the LHS being returned to the other end.
+The primitive integer types all implement a `[`rotate_left`](#method.rotate_left) function,
+which may be what you want instead.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((-1", stringify!($SelfT), ").wrapping_shl(7), -128);
+assert_eq!((-1", stringify!($SelfT), ").wrapping_shl(128), -1);",
+$EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_shl(self, rhs: u32) -> Self {
+                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
+                // out of bounds
+                unsafe {
+                    intrinsics::unchecked_shl(self, (rhs & ($BITS - 1)) as $SelfT)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Panic-free bitwise shift-right; yields `self >> mask(rhs)`, where `mask`
+removes any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.
+
+Note that this is *not* the same as a rotate-right; the RHS of a wrapping shift-right is restricted
+to the range of the type, rather than the bits shifted out of the LHS being returned to the other
+end. The primitive integer types all implement a [`rotate_right`](#method.rotate_right) function,
+which may be what you want instead.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((-128", stringify!($SelfT), ").wrapping_shr(7), -1);
+assert_eq!((-128i16).wrapping_shr(64), -128);",
+$EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_shr(self, rhs: u32) -> Self {
+                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
+                // out of bounds
+                unsafe {
+                    intrinsics::unchecked_shr(self, (rhs & ($BITS - 1)) as $SelfT)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) absolute value. Computes `self.abs()`, wrapping around at
+the boundary of the type.
+
+The only case where such wrapping can occur is when one takes the absolute value of the negative
+minimal value for the type; this is a positive value that is too large to represent in the type. In
+such a case, this function returns `MIN` itself.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_abs(), 100);
+assert_eq!((-100", stringify!($SelfT), ").wrapping_abs(), 100);
+assert_eq!(", stringify!($SelfT), "::MIN.wrapping_abs(), ", stringify!($SelfT),
+"::MIN);
+assert_eq!((-128i8).wrapping_abs() as u8, 128);",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_abs", since = "1.13.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[allow(unused_attributes)]
+            #[inline]
+            pub const fn wrapping_abs(self) -> Self {
+                 if self.is_negative() {
+                     self.wrapping_neg()
+                 } else {
+                     self
+                 }
+            }
+        }
+
+        doc_comment! {
+            concat!("Computes the absolute value of `self` without any wrapping
+or panicking.
+
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "#![feature(unsigned_abs)]
+assert_eq!(100", stringify!($SelfT), ".unsigned_abs(), 100", stringify!($UnsignedT), ");
+assert_eq!((-100", stringify!($SelfT), ").unsigned_abs(), 100", stringify!($UnsignedT), ");
+assert_eq!((-128i8).unsigned_abs(), 128u8);",
+$EndFeature, "
+```"),
+            #[unstable(feature = "unsigned_abs", issue = "74913")]
+            #[inline]
+            pub const fn unsigned_abs(self) -> $UnsignedT {
+                 self.wrapping_abs() as $UnsignedT
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) exponentiation. Computes `self.pow(exp)`,
+wrapping around at the boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(3", stringify!($SelfT), ".wrapping_pow(4), 81);
+assert_eq!(3i8.wrapping_pow(5), -13);
+assert_eq!(3i8.wrapping_pow(6), -39);",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_pow(self, mut exp: u32) -> Self {
+                if exp == 0 {
+                    return 1;
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        acc = acc.wrapping_mul(base);
+                    }
+                    exp /= 2;
+                    base = base.wrapping_mul(base);
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                acc.wrapping_mul(base)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates `self` + `rhs`
+
+Returns a tuple of the addition along with a boolean indicating whether an arithmetic overflow would
+occur. If an overflow would have occurred then the wrapped value is returned.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_add(2), (7, false));
+assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (", stringify!($SelfT),
+"::MIN, true));", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
+                let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
+                (a as Self, b)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates `self` - `rhs`
+
+Returns a tuple of the subtraction along with a boolean indicating whether an arithmetic overflow
+would occur. If an overflow would have occurred then the wrapped value is returned.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_sub(2), (3, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_sub(1), (", stringify!($SelfT),
+"::MAX, true));", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
+                let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
+                (a as Self, b)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the multiplication of `self` and `rhs`.
+
+Returns a tuple of the multiplication along with a boolean indicating whether an arithmetic overflow
+would occur. If an overflow would have occurred then the wrapped value is returned.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_mul(2), (10, false));
+assert_eq!(1_000_000_000i32.overflowing_mul(10), (1410065408, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
+                let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
+                (a as Self, b)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the divisor when `self` is divided by `rhs`.
+
+Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would
+occur. If an overflow would occur then self is returned.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_div(2), (2, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_div(-1), (", stringify!($SelfT),
+"::MIN, true));",
+$EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_div(self, rhs: Self) -> (Self, bool) {
+                if unlikely!(self == Self::MIN && rhs == -1) {
+                    (self, true)
+                } else {
+                    (self / rhs, false)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the quotient of Euclidean division `self.div_euclid(rhs)`.
+
+Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would
+occur. If an overflow would occur then `self` is returned.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(5", stringify!($SelfT), ".overflowing_div_euclid(2), (2, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_div_euclid(-1), (", stringify!($SelfT),
+"::MIN, true));
+```"),
+            #[inline]
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) {
+                if unlikely!(self == Self::MIN && rhs == -1) {
+                    (self, true)
+                } else {
+                    (self.div_euclid(rhs), false)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the remainder when `self` is divided by `rhs`.
+
+Returns a tuple of the remainder after dividing along with a boolean indicating whether an
+arithmetic overflow would occur. If an overflow would occur then 0 is returned.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_rem(2), (1, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_rem(-1), (0, true));",
+$EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool) {
+                if unlikely!(self == Self::MIN && rhs == -1) {
+                    (0, true)
+                } else {
+                    (self % rhs, false)
+                }
+            }
+        }
+
+
+        doc_comment! {
+            concat!("Overflowing Euclidean remainder. Calculates `self.rem_euclid(rhs)`.
+
+Returns a tuple of the remainder after dividing along with a boolean indicating whether an
+arithmetic overflow would occur. If an overflow would occur then 0 is returned.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(5", stringify!($SelfT), ".overflowing_rem_euclid(2), (1, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_rem_euclid(-1), (0, true));
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) {
+                if unlikely!(self == Self::MIN && rhs == -1) {
+                    (0, true)
+                } else {
+                    (self.rem_euclid(rhs), false)
+                }
+            }
+        }
+
+
+        doc_comment! {
+            concat!("Negates self, overflowing if this is equal to the minimum value.
+
+Returns a tuple of the negated version of self along with a boolean indicating whether an overflow
+happened. If `self` is the minimum value (e.g., `i32::MIN` for values of type `i32`), then the
+minimum value will be returned again and `true` will be returned for an overflow happening.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(2", stringify!($SelfT), ".overflowing_neg(), (-2, false));
+assert_eq!(", stringify!($SelfT), "::MIN.overflowing_neg(), (", stringify!($SelfT),
+"::MIN, true));", $EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[allow(unused_attributes)]
+            pub const fn overflowing_neg(self) -> (Self, bool) {
+                if unlikely!(self == Self::MIN) {
+                    (Self::MIN, true)
+                } else {
+                    (-self, false)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts self left by `rhs` bits.
+
+Returns a tuple of the shifted version of self along with a boolean indicating whether the shift
+value was larger than or equal to the number of bits. If the shift value is too large, then value is
+masked (N-1) where N is the number of bits, and this value is then used to perform the shift.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x1", stringify!($SelfT),".overflowing_shl(4), (0x10, false));
+assert_eq!(0x1i32.overflowing_shl(36), (0x10, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_shl(self, rhs: u32) -> (Self, bool) {
+                (self.wrapping_shl(rhs), (rhs > ($BITS - 1)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts self right by `rhs` bits.
+
+Returns a tuple of the shifted version of self along with a boolean indicating whether the shift
+value was larger than or equal to the number of bits. If the shift value is too large, then value is
+masked (N-1) where N is the number of bits, and this value is then used to perform the shift.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(4), (0x1, false));
+assert_eq!(0x10i32.overflowing_shr(36), (0x1, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_shr(self, rhs: u32) -> (Self, bool) {
+                (self.wrapping_shr(rhs), (rhs > ($BITS - 1)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Computes the absolute value of `self`.
+
+Returns a tuple of the absolute version of self along with a boolean indicating whether an overflow
+happened. If self is the minimum value (e.g., ", stringify!($SelfT), "::MIN for values of type
+ ", stringify!($SelfT), "), then the minimum value will be returned again and true will be returned
+for an overflow happening.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(10", stringify!($SelfT), ".overflowing_abs(), (10, false));
+assert_eq!((-10", stringify!($SelfT), ").overflowing_abs(), (10, false));
+assert_eq!((", stringify!($SelfT), "::MIN).overflowing_abs(), (", stringify!($SelfT),
+"::MIN, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_abs", since = "1.13.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn overflowing_abs(self) -> (Self, bool) {
+                (self.wrapping_abs(), self == Self::MIN)
+            }
+        }
+
+        doc_comment! {
+            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
+
+Returns a tuple of the exponentiation along with a bool indicating
+whether an overflow happened.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(3", stringify!($SelfT), ".overflowing_pow(4), (81, false));
+assert_eq!(3i8.overflowing_pow(5), (-13, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_pow(self, mut exp: u32) -> (Self, bool) {
+                if exp == 0 {
+                    return (1,false);
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+                let mut overflown = false;
+                // Scratch space for storing results of overflowing_mul.
+                let mut r;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        r = acc.overflowing_mul(base);
+                        acc = r.0;
+                        overflown |= r.1;
+                    }
+                    exp /= 2;
+                    r = base.overflowing_mul(base);
+                    base = r.0;
+                    overflown |= r.1;
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                r = acc.overflowing_mul(base);
+                r.1 |= overflown;
+                r
+            }
+        }
+
+        doc_comment! {
+            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let x: ", stringify!($SelfT), " = 2; // or any other integer type
+
+assert_eq!(x.pow(5), 32);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn pow(self, mut exp: u32) -> Self {
+                if exp == 0 {
+                    return 1;
+                }
+                let mut base = self;
+                let mut acc = 1;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        acc = acc * base;
+                    }
+                    exp /= 2;
+                    base = base * base;
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                acc * base
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the quotient of Euclidean division of `self` by `rhs`.
+
+This computes the integer `n` such that `self = n * rhs + self.rem_euclid(rhs)`,
+with `0 <= self.rem_euclid(rhs) < rhs`.
+
+In other words, the result is `self / rhs` rounded to the integer `n`
+such that `self >= n * rhs`.
+If `self > 0`, this is equal to round towards zero (the default in Rust);
+if `self < 0`, this is equal to round towards +/- infinity.
+
+# Panics
+
+This function will panic if `rhs` is 0 or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+let a: ", stringify!($SelfT), " = 7; // or any other integer type
+let b = 4;
+
+assert_eq!(a.div_euclid(b), 1); // 7 >= 4 * 1
+assert_eq!(a.div_euclid(-b), -1); // 7 >= -4 * -1
+assert_eq!((-a).div_euclid(b), -2); // -7 >= 4 * -2
+assert_eq!((-a).div_euclid(-b), 2); // -7 >= -4 * 2
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn div_euclid(self, rhs: Self) -> Self {
+                let q = self / rhs;
+                if self % rhs < 0 {
+                    return if rhs > 0 { q - 1 } else { q + 1 }
+                }
+                q
+            }
+        }
+
+
+        doc_comment! {
+            concat!("Calculates the least nonnegative remainder of `self (mod rhs)`.
+
+This is done as if by the Euclidean division algorithm -- given
+`r = self.rem_euclid(rhs)`, `self = rhs * self.div_euclid(rhs) + r`, and
+`0 <= r < abs(rhs)`.
+
+# Panics
+
+This function will panic if `rhs` is 0 or the division results in overflow.
+
+# Examples
+
+Basic usage:
+
+```
+let a: ", stringify!($SelfT), " = 7; // or any other integer type
+let b = 4;
+
+assert_eq!(a.rem_euclid(b), 3);
+assert_eq!((-a).rem_euclid(b), 1);
+assert_eq!(a.rem_euclid(-b), 3);
+assert_eq!((-a).rem_euclid(-b), 1);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn rem_euclid(self, rhs: Self) -> Self {
+                let r = self % rhs;
+                if r < 0 {
+                    if rhs < 0 {
+                        r - rhs
+                    } else {
+                        r + rhs
+                    }
+                } else {
+                    r
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Computes the absolute value of `self`.
+
+# Overflow behavior
+
+The absolute value of `", stringify!($SelfT), "::MIN` cannot be represented as an
+`", stringify!($SelfT), "`, and attempting to calculate it will cause an overflow. This means that
+code in debug mode will trigger a panic on this case and optimized code will return `",
+stringify!($SelfT), "::MIN` without a panic.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(10", stringify!($SelfT), ".abs(), 10);
+assert_eq!((-10", stringify!($SelfT), ").abs(), 10);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[allow(unused_attributes)]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn abs(self) -> Self {
+                // Note that the #[inline] above means that the overflow
+                // semantics of the subtraction depend on the crate we're being
+                // inlined into.
+                if self.is_negative() {
+                    -self
+                } else {
+                    self
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns a number representing sign of `self`.
+
+ - `0` if the number is zero
+ - `1` if the number is positive
+ - `-1` if the number is negative
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(10", stringify!($SelfT), ".signum(), 1);
+assert_eq!(0", stringify!($SelfT), ".signum(), 0);
+assert_eq!((-10", stringify!($SelfT), ").signum(), -1);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_sign", since = "1.47.0")]
+            #[inline]
+            pub const fn signum(self) -> Self {
+                match self {
+                    n if n > 0 =>  1,
+                    0          =>  0,
+                    _          => -1,
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns `true` if `self` is positive and `false` if the number is zero or
+negative.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert!(10", stringify!($SelfT), ".is_positive());
+assert!(!(-10", stringify!($SelfT), ").is_positive());",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn is_positive(self) -> bool { self > 0 }
+        }
+
+        doc_comment! {
+            concat!("Returns `true` if `self` is negative and `false` if the number is zero or
+positive.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert!((-10", stringify!($SelfT), ").is_negative());
+assert!(!10", stringify!($SelfT), ".is_negative());",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
+            #[inline]
+            pub const fn is_negative(self) -> bool { self < 0 }
+        }
+
+        doc_comment! {
+            concat!("Return the memory representation of this integer as a byte array in
+big-endian (network) byte order.
+",
+$to_xe_bytes_doc,
+"
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
+assert_eq!(bytes, ", $be_bytes, ");
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                self.to_be().to_ne_bytes()
+            }
+        }
+
+doc_comment! {
+            concat!("Return the memory representation of this integer as a byte array in
+little-endian byte order.
+",
+$to_xe_bytes_doc,
+"
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
+assert_eq!(bytes, ", $le_bytes, ");
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                self.to_le().to_ne_bytes()
+            }
+        }
+
+        doc_comment! {
+            concat!("
+Return the memory representation of this integer as a byte array in
+native byte order.
+
+As the target platform's native endianness is used, portable code
+should use [`to_be_bytes`] or [`to_le_bytes`], as appropriate,
+instead.
+",
+$to_xe_bytes_doc,
+"
+[`to_be_bytes`]: #method.to_be_bytes
+[`to_le_bytes`]: #method.to_le_bytes
+
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
+assert_eq!(
+    bytes,
+    if cfg!(target_endian = \"big\") {
+        ", $be_bytes, "
+    } else {
+        ", $le_bytes, "
+    }
+);
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            // SAFETY: const sound because integers are plain old datatypes so we can always
+            // transmute them to arrays of bytes
+            #[allow_internal_unstable(const_fn_transmute)]
+            #[inline]
+            pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                // SAFETY: integers are plain old datatypes so we can always transmute them to
+                // arrays of bytes
+                unsafe { mem::transmute(self) }
+            }
+        }
+
+doc_comment! {
+            concat!("Create an integer value from its representation as a byte array in
+big endian.
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_be_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                Self::from_be(Self::from_ne_bytes(bytes))
+            }
+        }
+
+doc_comment! {
+            concat!("
+Create an integer value from its representation as a byte array in
+little endian.
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_le_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_le_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                Self::from_le(Self::from_ne_bytes(bytes))
+            }
+        }
+
+        doc_comment! {
+            concat!("Create an integer value from its memory representation as a byte
+array in native endianness.
+
+As the target platform's native endianness is used, portable code
+likely wants to use [`from_be_bytes`] or [`from_le_bytes`], as
+appropriate instead.
+
+[`from_be_bytes`]: #method.from_be_bytes
+[`from_le_bytes`]: #method.from_le_bytes
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
+    ", $be_bytes, "
+} else {
+    ", $le_bytes, "
+});
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_ne_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            // SAFETY: const sound because integers are plain old datatypes so we can always
+            // transmute to them
+            #[allow_internal_unstable(const_fn_transmute)]
+            #[inline]
+            pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                // SAFETY: integers are plain old datatypes so we can always transmute to them
+                unsafe { mem::transmute(bytes) }
+            }
+        }
+
+        doc_comment! {
+            concat!("**This method is soft-deprecated.**
+
+Although using it won’t cause a compilation warning,
+new code should use [`", stringify!($SelfT), "::MIN", "`](#associatedconstant.MIN) instead.
+
+Returns the smallest value that can be represented by this integer type."),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[inline(always)]
+            #[rustc_promotable]
+            #[rustc_const_stable(feature = "const_min_value", since = "1.32.0")]
+            pub const fn min_value() -> Self {
+                Self::MIN
+            }
+        }
+
+        doc_comment! {
+            concat!("**This method is soft-deprecated.**
+
+Although using it won’t cause a compilation warning,
+new code should use [`", stringify!($SelfT), "::MAX", "`](#associatedconstant.MAX) instead.
+
+Returns the largest value that can be represented by this integer type."),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[inline(always)]
+            #[rustc_promotable]
+            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
+            pub const fn max_value() -> Self {
+                Self::MAX
+            }
+        }
+    }
+}
diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index adcdee4219fe1..5388a5c04b86d 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -38,6 +38,11 @@ pub mod dec2flt;
 pub mod diy_float;
 pub mod flt2dec;
 
+#[macro_use]
+mod int_macros; // import int_impl!
+#[macro_use]
+mod uint_macros; // import uint_impl!
+
 mod error;
 mod nonzero;
 mod wrapping;
@@ -85,4228 +90,70 @@ depending on the target pointer size.
     };
 }
 
-macro_rules! int_impl {
-    ($SelfT:ty, $ActualT:ident, $UnsignedT:ty, $BITS:expr, $Min:expr, $Max:expr, $Feature:expr,
-     $EndFeature:expr, $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr,
-     $reversed:expr, $le_bytes:expr, $be_bytes:expr,
-     $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => {
-        doc_comment! {
-            concat!("The smallest value that can be represented by this integer type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, ", stringify!($Min), ");",
-$EndFeature, "
-```"),
-            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
-            pub const MIN: Self = !0 ^ ((!0 as $UnsignedT) >> 1) as Self;
-        }
-
-        doc_comment! {
-            concat!("The largest value that can be represented by this integer type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($Max), ");",
-$EndFeature, "
-```"),
-            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
-            pub const MAX: Self = !Self::MIN;
-        }
-
-        doc_comment! {
-            concat!("The size of this integer type in bits.
-
-# Examples
-
-```
-", $Feature, "#![feature(int_bits_const)]
-assert_eq!(", stringify!($SelfT), "::BITS, ", stringify!($BITS), ");",
-$EndFeature, "
-```"),
-            #[unstable(feature = "int_bits_const", issue = "76904")]
-            pub const BITS: u32 = $BITS;
-        }
-
-        doc_comment! {
-            concat!("Converts a string slice in a given base to an integer.
-
-The string is expected to be an optional `+` or `-` sign followed by digits.
-Leading and trailing whitespace represent an error. Digits are a subset of these characters,
-depending on `radix`:
-
- * `0-9`
- * `a-z`
- * `A-Z`
-
-# Panics
-
-This function panics if `radix` is not in the range from 2 to 36.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
-                from_str_radix(src, radix)
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of ones in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0b100_0000", stringify!($SelfT), ";
-
-assert_eq!(n.count_ones(), 1);",
-$EndFeature, "
-```
-"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn count_ones(self) -> u32 { (self as $UnsignedT).count_ones() }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of zeros in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 1);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn count_zeros(self) -> u32 {
-                (!self).count_ones()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of leading zeros in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = -1", stringify!($SelfT), ";
-
-assert_eq!(n.leading_zeros(), 0);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn leading_zeros(self) -> u32 {
-                (self as $UnsignedT).leading_zeros()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of trailing zeros in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = -4", stringify!($SelfT), ";
-
-assert_eq!(n.trailing_zeros(), 2);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn trailing_zeros(self) -> u32 {
-                (self as $UnsignedT).trailing_zeros()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of leading ones in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = -1", stringify!($SelfT), ";
-
-assert_eq!(n.leading_ones(), ", stringify!($BITS), ");",
-$EndFeature, "
-```"),
-            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[inline]
-            pub const fn leading_ones(self) -> u32 {
-                (self as $UnsignedT).leading_ones()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of trailing ones in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 3", stringify!($SelfT), ";
-
-assert_eq!(n.trailing_ones(), 2);",
-$EndFeature, "
-```"),
-            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[inline]
-            pub const fn trailing_ones(self) -> u32 {
-                (self as $UnsignedT).trailing_ones()
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts the bits to the left by a specified amount, `n`,
-wrapping the truncated bits to the end of the resulting integer.
-
-Please note this isn't the same operation as the `<<` shifting operator!
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $rot_op, stringify!($SelfT), ";
-let m = ", $rot_result, ";
-
-assert_eq!(n.rotate_left(", $rot, "), m);
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn rotate_left(self, n: u32) -> Self {
-                (self as $UnsignedT).rotate_left(n) as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts the bits to the right by a specified amount, `n`,
-wrapping the truncated bits to the beginning of the resulting
-integer.
-
-Please note this isn't the same operation as the `>>` shifting operator!
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $rot_result, stringify!($SelfT), ";
-let m = ", $rot_op, ";
-
-assert_eq!(n.rotate_right(", $rot, "), m);
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn rotate_right(self, n: u32) -> Self {
-                (self as $UnsignedT).rotate_right(n) as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Reverses the byte order of the integer.
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $swap_op, stringify!($SelfT), ";
-
-let m = n.swap_bytes();
-
-assert_eq!(m, ", $swapped, ");
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn swap_bytes(self) -> Self {
-                (self as $UnsignedT).swap_bytes() as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Reverses the bit pattern of the integer.
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $swap_op, stringify!($SelfT), ";
-let m = n.reverse_bits();
-
-assert_eq!(m, ", $reversed, ");
-```"),
-            #[stable(feature = "reverse_bits", since = "1.37.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            #[must_use]
-            pub const fn reverse_bits(self) -> Self {
-                (self as $UnsignedT).reverse_bits() as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts an integer from big endian to the target's endianness.
-
-On big endian this is a no-op. On little endian the bytes are swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"big\") {
-    assert_eq!(", stringify!($SelfT), "::from_be(n), n)
-} else {
-    assert_eq!(", stringify!($SelfT), "::from_be(n), n.swap_bytes())
-}",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
-            #[inline]
-            pub const fn from_be(x: Self) -> Self {
-                #[cfg(target_endian = "big")]
-                {
-                    x
-                }
-                #[cfg(not(target_endian = "big"))]
-                {
-                    x.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts an integer from little endian to the target's endianness.
-
-On little endian this is a no-op. On big endian the bytes are swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"little\") {
-    assert_eq!(", stringify!($SelfT), "::from_le(n), n)
-} else {
-    assert_eq!(", stringify!($SelfT), "::from_le(n), n.swap_bytes())
-}",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
-            #[inline]
-            pub const fn from_le(x: Self) -> Self {
-                #[cfg(target_endian = "little")]
-                {
-                    x
-                }
-                #[cfg(not(target_endian = "little"))]
-                {
-                    x.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts `self` to big endian from the target's endianness.
-
-On big endian this is a no-op. On little endian the bytes are swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"big\") {
-    assert_eq!(n.to_be(), n)
-} else {
-    assert_eq!(n.to_be(), n.swap_bytes())
-}",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
-            #[inline]
-            pub const fn to_be(self) -> Self { // or not to be?
-                #[cfg(target_endian = "big")]
-                {
-                    self
-                }
-                #[cfg(not(target_endian = "big"))]
-                {
-                    self.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts `self` to little endian from the target's endianness.
-
-On little endian this is a no-op. On big endian the bytes are swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"little\") {
-    assert_eq!(n.to_le(), n)
-} else {
-    assert_eq!(n.to_le(), n.swap_bytes())
-}",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_conversions", since = "1.32.0")]
-            #[inline]
-            pub const fn to_le(self) -> Self {
-                #[cfg(target_endian = "little")]
-                {
-                    self
-                }
-                #[cfg(not(target_endian = "little"))]
-                {
-                    self.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer addition. Computes `self + rhs`, returning `None`
-if overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((", stringify!($SelfT),
-"::MAX - 2).checked_add(1), Some(", stringify!($SelfT), "::MAX - 1));
-assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_add(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_add(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer addition. Computes `self + rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self + rhs > ", stringify!($SelfT),
-"::MAX` or `self + rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_add(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_add`.
-                unsafe { intrinsics::unchecked_add(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer subtraction. Computes `self - rhs`, returning `None` if
-overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((", stringify!($SelfT),
-"::MIN + 2).checked_sub(1), Some(", stringify!($SelfT), "::MIN + 1));
-assert_eq!((", stringify!($SelfT), "::MIN + 2).checked_sub(3), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_sub(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_sub(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer subtraction. Computes `self - rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self - rhs > ", stringify!($SelfT),
-"::MAX` or `self - rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_sub(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_sub`.
-                unsafe { intrinsics::unchecked_sub(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer multiplication. Computes `self * rhs`, returning `None` if
-overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT),
-"::MAX.checked_mul(1), Some(", stringify!($SelfT), "::MAX));
-assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_mul(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_mul(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer multiplication. Computes `self * rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self * rhs > ", stringify!($SelfT),
-"::MAX` or `self * rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_mul(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_mul`.
-                unsafe { intrinsics::unchecked_mul(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer division. Computes `self / rhs`, returning `None` if `rhs == 0`
-or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((", stringify!($SelfT),
-"::MIN + 1).checked_div(-1), Some(", stringify!($Max), "));
-assert_eq!(", stringify!($SelfT), "::MIN.checked_div(-1), None);
-assert_eq!((1", stringify!($SelfT), ").checked_div(0), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_div(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
-                    None
-                } else {
-                    // SAFETY: div by zero and by INT_MIN have been checked above
-                    Some(unsafe { intrinsics::unchecked_div(self, rhs) })
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked Euclidean division. Computes `self.div_euclid(rhs)`,
-returning `None` if `rhs == 0` or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!((", stringify!($SelfT),
-"::MIN + 1).checked_div_euclid(-1), Some(", stringify!($Max), "));
-assert_eq!(", stringify!($SelfT), "::MIN.checked_div_euclid(-1), None);
-assert_eq!((1", stringify!($SelfT), ").checked_div_euclid(0), None);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
-                    None
-                } else {
-                    Some(self.div_euclid(rhs))
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer remainder. Computes `self % rhs`, returning `None` if
-`rhs == 0` or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".checked_rem(2), Some(1));
-assert_eq!(5", stringify!($SelfT), ".checked_rem(0), None);
-assert_eq!(", stringify!($SelfT), "::MIN.checked_rem(-1), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_rem(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
-                    None
-                } else {
-                    // SAFETY: div by zero and by INT_MIN have been checked above
-                    Some(unsafe { intrinsics::unchecked_rem(self, rhs) })
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked Euclidean remainder. Computes `self.rem_euclid(rhs)`, returning `None`
-if `rhs == 0` or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(2), Some(1));
-assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(0), None);
-assert_eq!(", stringify!($SelfT), "::MIN.checked_rem_euclid(-1), None);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0 || (self == Self::MIN && rhs == -1)) {
-                    None
-                } else {
-                    Some(self.rem_euclid(rhs))
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked negation. Computes `-self`, returning `None` if `self == MIN`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".checked_neg(), Some(-5));
-assert_eq!(", stringify!($SelfT), "::MIN.checked_neg(), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn checked_neg(self) -> Option<Self> {
-                let (a, b) = self.overflowing_neg();
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked shift left. Computes `self << rhs`, returning `None` if `rhs` is larger
-than or equal to the number of bits in `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".checked_shl(4), Some(0x10));
-assert_eq!(0x1", stringify!($SelfT), ".checked_shl(129), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_shl(self, rhs: u32) -> Option<Self> {
-                let (a, b) = self.overflowing_shl(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked shift right. Computes `self >> rhs`, returning `None` if `rhs` is
-larger than or equal to the number of bits in `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".checked_shr(4), Some(0x1));
-assert_eq!(0x10", stringify!($SelfT), ".checked_shr(128), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_shr(self, rhs: u32) -> Option<Self> {
-                let (a, b) = self.overflowing_shr(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked absolute value. Computes `self.abs()`, returning `None` if
-`self == MIN`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!((-5", stringify!($SelfT), ").checked_abs(), Some(5));
-assert_eq!(", stringify!($SelfT), "::MIN.checked_abs(), None);",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_abs", since = "1.13.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn checked_abs(self) -> Option<Self> {
-                if self.is_negative() {
-                    self.checked_neg()
-                } else {
-                    Some(self)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked exponentiation. Computes `self.pow(exp)`, returning `None` if
-overflow occurred.
-
-# Examples
-
-Basic usage:
+#[lang = "i8"]
+impl i8 {
+    int_impl! { i8, i8, u8, 8, -128, 127, "", "", 2, "-0x7e", "0xa", "0x12", "0x12", "0x48",
+    "[0x12]", "[0x12]", "", "" }
+}
 
-```
-", $Feature, "assert_eq!(8", stringify!($SelfT), ".checked_pow(2), Some(64));
-assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);",
-$EndFeature, "
-```"),
+#[lang = "i16"]
+impl i16 {
+    int_impl! { i16, i16, u16, 16, -32768, 32767, "", "", 4, "-0x5ffd", "0x3a", "0x1234", "0x3412",
+    "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]", "", "" }
+}
 
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_pow(self, mut exp: u32) -> Option<Self> {
-                if exp == 0 {
-                    return Some(1);
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
+#[lang = "i32"]
+impl i32 {
+    int_impl! { i32, i32, u32, 32, -2147483648, 2147483647, "", "", 8, "0x10000b3", "0xb301",
+    "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
+    "[0x12, 0x34, 0x56, 0x78]", "", "" }
+}
 
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        acc = try_opt!(acc.checked_mul(base));
-                    }
-                    exp /= 2;
-                    base = try_opt!(base.checked_mul(base));
-                }
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                Some(try_opt!(acc.checked_mul(base)))
-            }
-        }
+#[lang = "i64"]
+impl i64 {
+    int_impl! { i64, i64, u64, 64, -9223372036854775808, 9223372036854775807, "", "", 12,
+    "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412",
+    "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+    "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", "", "" }
+}
 
-        doc_comment! {
-            concat!("Saturating integer addition. Computes `self + rhs`, saturating at the numeric
-bounds instead of overflowing.
+#[lang = "i128"]
+impl i128 {
+    int_impl! { i128, i128, u128, 128, -170141183460469231731687303715884105728,
+    170141183460469231731687303715884105727, "", "", 16,
+    "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012",
+    "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48",
+    "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
+      0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+    "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
+      0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", "", "" }
+}
 
-# Examples
+#[cfg(target_pointer_width = "16")]
+#[lang = "isize"]
+impl isize {
+    int_impl! { isize, i16, u16, 16, -32768, 32767, "", "", 4, "-0x5ffd", "0x3a", "0x1234",
+    "0x3412", "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]",
+    usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
+}
 
-Basic usage:
+#[cfg(target_pointer_width = "32")]
+#[lang = "isize"]
+impl isize {
+    int_impl! { isize, i32, u32, 32, -2147483648, 2147483647, "", "", 8, "0x10000b3", "0xb301",
+    "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
+    "[0x12, 0x34, 0x56, 0x78]",
+    usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
+}
 
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_add(1), 101);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(100), ", stringify!($SelfT),
-"::MAX);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_add(-1), ", stringify!($SelfT),
-"::MIN);",
-$EndFeature, "
-```"),
-
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_add(self, rhs: Self) -> Self {
-                intrinsics::saturating_add(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer subtraction. Computes `self - rhs`, saturating at the
-numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_sub(127), -27);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_sub(100), ", stringify!($SelfT),
-"::MIN);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_sub(-1), ", stringify!($SelfT),
-"::MAX);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_sub(self, rhs: Self) -> Self {
-                intrinsics::saturating_sub(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer negation. Computes `-self`, returning `MAX` if `self == MIN`
-instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_neg(), -100);
-assert_eq!((-100", stringify!($SelfT), ").saturating_neg(), 100);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_neg(), ", stringify!($SelfT),
-"::MAX);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_neg(), ", stringify!($SelfT),
-"::MIN + 1);",
-$EndFeature, "
-```"),
-
-            #[stable(feature = "saturating_neg", since = "1.45.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn saturating_neg(self) -> Self {
-                intrinsics::saturating_sub(0, self)
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating absolute value. Computes `self.abs()`, returning `MAX` if `self ==
-MIN` instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_abs(), 100);
-assert_eq!((-100", stringify!($SelfT), ").saturating_abs(), 100);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_abs(), ", stringify!($SelfT),
-"::MAX);
-assert_eq!((", stringify!($SelfT), "::MIN + 1).saturating_abs(), ", stringify!($SelfT),
-"::MAX);",
-$EndFeature, "
-```"),
-
-            #[stable(feature = "saturating_neg", since = "1.45.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn saturating_abs(self) -> Self {
-                if self.is_negative() {
-                    self.saturating_neg()
-                } else {
-                    self
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer multiplication. Computes `self * rhs`, saturating at the
-numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(10", stringify!($SelfT), ".saturating_mul(12), 120);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_mul(10), ", stringify!($SelfT), "::MAX);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_mul(10), ", stringify!($SelfT), "::MIN);",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_mul(self, rhs: Self) -> Self {
-                match self.checked_mul(rhs) {
-                    Some(x) => x,
-                    None => if (self < 0) == (rhs < 0) {
-                        Self::MAX
-                    } else {
-                        Self::MIN
-                    }
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer exponentiation. Computes `self.pow(exp)`,
-saturating at the numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!((-4", stringify!($SelfT), ").saturating_pow(3), -64);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_pow(2), ", stringify!($SelfT), "::MAX);
-assert_eq!(", stringify!($SelfT), "::MIN.saturating_pow(3), ", stringify!($SelfT), "::MIN);",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_pow(self, exp: u32) -> Self {
-                match self.checked_pow(exp) {
-                    Some(x) => x,
-                    None if self < 0 && exp % 2 == 1 => Self::MIN,
-                    None => Self::MAX,
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) addition. Computes `self + rhs`, wrapping around at the
-boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_add(27), 127);
-assert_eq!(", stringify!($SelfT), "::MAX.wrapping_add(2), ", stringify!($SelfT),
-"::MIN + 1);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_add(self, rhs: Self) -> Self {
-                intrinsics::wrapping_add(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) subtraction. Computes `self - rhs`, wrapping around at the
-boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0", stringify!($SelfT), ".wrapping_sub(127), -127);
-assert_eq!((-2", stringify!($SelfT), ").wrapping_sub(", stringify!($SelfT), "::MAX), ",
-stringify!($SelfT), "::MAX);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_sub(self, rhs: Self) -> Self {
-                intrinsics::wrapping_sub(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) multiplication. Computes `self * rhs`, wrapping around at
-the boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(10", stringify!($SelfT), ".wrapping_mul(12), 120);
-assert_eq!(11i8.wrapping_mul(12), -124);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_mul(self, rhs: Self) -> Self {
-                intrinsics::wrapping_mul(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) division. Computes `self / rhs`, wrapping around at the
-boundary of the type.
-
-The only case where such wrapping can occur is when one divides `MIN / -1` on a signed type (where
-`MIN` is the negative minimal value for the type); this is equivalent to `-MIN`, a positive value
-that is too large to represent in the type. In such a case, this function returns `MIN` itself.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_div(10), 10);
-assert_eq!((-128i8).wrapping_div(-1), -128);",
-$EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_div(self, rhs: Self) -> Self {
-                self.overflowing_div(rhs).0
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping Euclidean division. Computes `self.div_euclid(rhs)`,
-wrapping around at the boundary of the type.
-
-Wrapping will only occur in `MIN / -1` on a signed type (where `MIN` is the negative minimal value
-for the type). This is equivalent to `-MIN`, a positive value that is too large to represent in the
-type. In this case, this method returns `MIN` itself.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(100", stringify!($SelfT), ".wrapping_div_euclid(10), 10);
-assert_eq!((-128i8).wrapping_div_euclid(-1), -128);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_div_euclid(self, rhs: Self) -> Self {
-                self.overflowing_div_euclid(rhs).0
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) remainder. Computes `self % rhs`, wrapping around at the
-boundary of the type.
-
-Such wrap-around never actually occurs mathematically; implementation artifacts make `x % y`
-invalid for `MIN / -1` on a signed type (where `MIN` is the negative minimal value). In such a case,
-this function returns `0`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_rem(10), 0);
-assert_eq!((-128i8).wrapping_rem(-1), 0);",
-$EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_rem(self, rhs: Self) -> Self {
-                self.overflowing_rem(rhs).0
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping Euclidean remainder. Computes `self.rem_euclid(rhs)`, wrapping around
-at the boundary of the type.
-
-Wrapping will only occur in `MIN % -1` on a signed type (where `MIN` is the negative minimal value
-for the type). In this case, this method returns 0.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(100", stringify!($SelfT), ".wrapping_rem_euclid(10), 0);
-assert_eq!((-128i8).wrapping_rem_euclid(-1), 0);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self {
-                self.overflowing_rem_euclid(rhs).0
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) negation. Computes `-self`, wrapping around at the boundary
-of the type.
-
-The only case where such wrapping can occur is when one negates `MIN` on a signed type (where `MIN`
-is the negative minimal value for the type); this is a positive value that is too large to represent
-in the type. In such a case, this function returns `MIN` itself.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_neg(), -100);
-assert_eq!(", stringify!($SelfT), "::MIN.wrapping_neg(), ", stringify!($SelfT),
-"::MIN);",
-$EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn wrapping_neg(self) -> Self {
-                self.overflowing_neg().0
-            }
-        }
-
-        doc_comment! {
-            concat!("Panic-free bitwise shift-left; yields `self << mask(rhs)`, where `mask` removes
-any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.
-
-Note that this is *not* the same as a rotate-left; the RHS of a wrapping shift-left is restricted to
-the range of the type, rather than the bits shifted out of the LHS being returned to the other end.
-The primitive integer types all implement a `[`rotate_left`](#method.rotate_left) function,
-which may be what you want instead.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((-1", stringify!($SelfT), ").wrapping_shl(7), -128);
-assert_eq!((-1", stringify!($SelfT), ").wrapping_shl(128), -1);",
-$EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_shl(self, rhs: u32) -> Self {
-                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
-                // out of bounds
-                unsafe {
-                    intrinsics::unchecked_shl(self, (rhs & ($BITS - 1)) as $SelfT)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Panic-free bitwise shift-right; yields `self >> mask(rhs)`, where `mask`
-removes any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.
-
-Note that this is *not* the same as a rotate-right; the RHS of a wrapping shift-right is restricted
-to the range of the type, rather than the bits shifted out of the LHS being returned to the other
-end. The primitive integer types all implement a [`rotate_right`](#method.rotate_right) function,
-which may be what you want instead.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((-128", stringify!($SelfT), ").wrapping_shr(7), -1);
-assert_eq!((-128i16).wrapping_shr(64), -128);",
-$EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_shr(self, rhs: u32) -> Self {
-                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
-                // out of bounds
-                unsafe {
-                    intrinsics::unchecked_shr(self, (rhs & ($BITS - 1)) as $SelfT)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) absolute value. Computes `self.abs()`, wrapping around at
-the boundary of the type.
-
-The only case where such wrapping can occur is when one takes the absolute value of the negative
-minimal value for the type; this is a positive value that is too large to represent in the type. In
-such a case, this function returns `MIN` itself.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_abs(), 100);
-assert_eq!((-100", stringify!($SelfT), ").wrapping_abs(), 100);
-assert_eq!(", stringify!($SelfT), "::MIN.wrapping_abs(), ", stringify!($SelfT),
-"::MIN);
-assert_eq!((-128i8).wrapping_abs() as u8, 128);",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_abs", since = "1.13.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[allow(unused_attributes)]
-            #[inline]
-            pub const fn wrapping_abs(self) -> Self {
-                 if self.is_negative() {
-                     self.wrapping_neg()
-                 } else {
-                     self
-                 }
-            }
-        }
-
-        doc_comment! {
-            concat!("Computes the absolute value of `self` without any wrapping
-or panicking.
-
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "#![feature(unsigned_abs)]
-assert_eq!(100", stringify!($SelfT), ".unsigned_abs(), 100", stringify!($UnsignedT), ");
-assert_eq!((-100", stringify!($SelfT), ").unsigned_abs(), 100", stringify!($UnsignedT), ");
-assert_eq!((-128i8).unsigned_abs(), 128u8);",
-$EndFeature, "
-```"),
-            #[unstable(feature = "unsigned_abs", issue = "74913")]
-            #[inline]
-            pub const fn unsigned_abs(self) -> $UnsignedT {
-                 self.wrapping_abs() as $UnsignedT
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) exponentiation. Computes `self.pow(exp)`,
-wrapping around at the boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(3", stringify!($SelfT), ".wrapping_pow(4), 81);
-assert_eq!(3i8.wrapping_pow(5), -13);
-assert_eq!(3i8.wrapping_pow(6), -39);",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_pow(self, mut exp: u32) -> Self {
-                if exp == 0 {
-                    return 1;
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        acc = acc.wrapping_mul(base);
-                    }
-                    exp /= 2;
-                    base = base.wrapping_mul(base);
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                acc.wrapping_mul(base)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates `self` + `rhs`
-
-Returns a tuple of the addition along with a boolean indicating whether an arithmetic overflow would
-occur. If an overflow would have occurred then the wrapped value is returned.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_add(2), (7, false));
-assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (", stringify!($SelfT),
-"::MIN, true));", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
-                let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
-                (a as Self, b)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates `self` - `rhs`
-
-Returns a tuple of the subtraction along with a boolean indicating whether an arithmetic overflow
-would occur. If an overflow would have occurred then the wrapped value is returned.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_sub(2), (3, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_sub(1), (", stringify!($SelfT),
-"::MAX, true));", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
-                let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
-                (a as Self, b)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the multiplication of `self` and `rhs`.
-
-Returns a tuple of the multiplication along with a boolean indicating whether an arithmetic overflow
-would occur. If an overflow would have occurred then the wrapped value is returned.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_mul(2), (10, false));
-assert_eq!(1_000_000_000i32.overflowing_mul(10), (1410065408, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
-                let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
-                (a as Self, b)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the divisor when `self` is divided by `rhs`.
-
-Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would
-occur. If an overflow would occur then self is returned.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_div(2), (2, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_div(-1), (", stringify!($SelfT),
-"::MIN, true));",
-$EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_div(self, rhs: Self) -> (Self, bool) {
-                if unlikely!(self == Self::MIN && rhs == -1) {
-                    (self, true)
-                } else {
-                    (self / rhs, false)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the quotient of Euclidean division `self.div_euclid(rhs)`.
-
-Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would
-occur. If an overflow would occur then `self` is returned.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(5", stringify!($SelfT), ".overflowing_div_euclid(2), (2, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_div_euclid(-1), (", stringify!($SelfT),
-"::MIN, true));
-```"),
-            #[inline]
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) {
-                if unlikely!(self == Self::MIN && rhs == -1) {
-                    (self, true)
-                } else {
-                    (self.div_euclid(rhs), false)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the remainder when `self` is divided by `rhs`.
-
-Returns a tuple of the remainder after dividing along with a boolean indicating whether an
-arithmetic overflow would occur. If an overflow would occur then 0 is returned.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_rem(2), (1, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_rem(-1), (0, true));",
-$EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool) {
-                if unlikely!(self == Self::MIN && rhs == -1) {
-                    (0, true)
-                } else {
-                    (self % rhs, false)
-                }
-            }
-        }
-
-
-        doc_comment! {
-            concat!("Overflowing Euclidean remainder. Calculates `self.rem_euclid(rhs)`.
-
-Returns a tuple of the remainder after dividing along with a boolean indicating whether an
-arithmetic overflow would occur. If an overflow would occur then 0 is returned.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(5", stringify!($SelfT), ".overflowing_rem_euclid(2), (1, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_rem_euclid(-1), (0, true));
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) {
-                if unlikely!(self == Self::MIN && rhs == -1) {
-                    (0, true)
-                } else {
-                    (self.rem_euclid(rhs), false)
-                }
-            }
-        }
-
-
-        doc_comment! {
-            concat!("Negates self, overflowing if this is equal to the minimum value.
-
-Returns a tuple of the negated version of self along with a boolean indicating whether an overflow
-happened. If `self` is the minimum value (e.g., `i32::MIN` for values of type `i32`), then the
-minimum value will be returned again and `true` will be returned for an overflow happening.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(2", stringify!($SelfT), ".overflowing_neg(), (-2, false));
-assert_eq!(", stringify!($SelfT), "::MIN.overflowing_neg(), (", stringify!($SelfT),
-"::MIN, true));", $EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[allow(unused_attributes)]
-            pub const fn overflowing_neg(self) -> (Self, bool) {
-                if unlikely!(self == Self::MIN) {
-                    (Self::MIN, true)
-                } else {
-                    (-self, false)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts self left by `rhs` bits.
-
-Returns a tuple of the shifted version of self along with a boolean indicating whether the shift
-value was larger than or equal to the number of bits. If the shift value is too large, then value is
-masked (N-1) where N is the number of bits, and this value is then used to perform the shift.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x1", stringify!($SelfT),".overflowing_shl(4), (0x10, false));
-assert_eq!(0x1i32.overflowing_shl(36), (0x10, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_shl(self, rhs: u32) -> (Self, bool) {
-                (self.wrapping_shl(rhs), (rhs > ($BITS - 1)))
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts self right by `rhs` bits.
-
-Returns a tuple of the shifted version of self along with a boolean indicating whether the shift
-value was larger than or equal to the number of bits. If the shift value is too large, then value is
-masked (N-1) where N is the number of bits, and this value is then used to perform the shift.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(4), (0x1, false));
-assert_eq!(0x10i32.overflowing_shr(36), (0x1, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_shr(self, rhs: u32) -> (Self, bool) {
-                (self.wrapping_shr(rhs), (rhs > ($BITS - 1)))
-            }
-        }
-
-        doc_comment! {
-            concat!("Computes the absolute value of `self`.
-
-Returns a tuple of the absolute version of self along with a boolean indicating whether an overflow
-happened. If self is the minimum value (e.g., ", stringify!($SelfT), "::MIN for values of type
- ", stringify!($SelfT), "), then the minimum value will be returned again and true will be returned
-for an overflow happening.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(10", stringify!($SelfT), ".overflowing_abs(), (10, false));
-assert_eq!((-10", stringify!($SelfT), ").overflowing_abs(), (10, false));
-assert_eq!((", stringify!($SelfT), "::MIN).overflowing_abs(), (", stringify!($SelfT),
-"::MIN, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_abs", since = "1.13.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn overflowing_abs(self) -> (Self, bool) {
-                (self.wrapping_abs(), self == Self::MIN)
-            }
-        }
-
-        doc_comment! {
-            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
-
-Returns a tuple of the exponentiation along with a bool indicating
-whether an overflow happened.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(3", stringify!($SelfT), ".overflowing_pow(4), (81, false));
-assert_eq!(3i8.overflowing_pow(5), (-13, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_pow(self, mut exp: u32) -> (Self, bool) {
-                if exp == 0 {
-                    return (1,false);
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
-                let mut overflown = false;
-                // Scratch space for storing results of overflowing_mul.
-                let mut r;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        r = acc.overflowing_mul(base);
-                        acc = r.0;
-                        overflown |= r.1;
-                    }
-                    exp /= 2;
-                    r = base.overflowing_mul(base);
-                    base = r.0;
-                    overflown |= r.1;
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                r = acc.overflowing_mul(base);
-                r.1 |= overflown;
-                r
-            }
-        }
-
-        doc_comment! {
-            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let x: ", stringify!($SelfT), " = 2; // or any other integer type
-
-assert_eq!(x.pow(5), 32);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn pow(self, mut exp: u32) -> Self {
-                if exp == 0 {
-                    return 1;
-                }
-                let mut base = self;
-                let mut acc = 1;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        acc = acc * base;
-                    }
-                    exp /= 2;
-                    base = base * base;
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                acc * base
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the quotient of Euclidean division of `self` by `rhs`.
-
-This computes the integer `n` such that `self = n * rhs + self.rem_euclid(rhs)`,
-with `0 <= self.rem_euclid(rhs) < rhs`.
-
-In other words, the result is `self / rhs` rounded to the integer `n`
-such that `self >= n * rhs`.
-If `self > 0`, this is equal to round towards zero (the default in Rust);
-if `self < 0`, this is equal to round towards +/- infinity.
-
-# Panics
-
-This function will panic if `rhs` is 0 or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-let a: ", stringify!($SelfT), " = 7; // or any other integer type
-let b = 4;
-
-assert_eq!(a.div_euclid(b), 1); // 7 >= 4 * 1
-assert_eq!(a.div_euclid(-b), -1); // 7 >= -4 * -1
-assert_eq!((-a).div_euclid(b), -2); // -7 >= 4 * -2
-assert_eq!((-a).div_euclid(-b), 2); // -7 >= -4 * 2
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn div_euclid(self, rhs: Self) -> Self {
-                let q = self / rhs;
-                if self % rhs < 0 {
-                    return if rhs > 0 { q - 1 } else { q + 1 }
-                }
-                q
-            }
-        }
-
-
-        doc_comment! {
-            concat!("Calculates the least nonnegative remainder of `self (mod rhs)`.
-
-This is done as if by the Euclidean division algorithm -- given
-`r = self.rem_euclid(rhs)`, `self = rhs * self.div_euclid(rhs) + r`, and
-`0 <= r < abs(rhs)`.
-
-# Panics
-
-This function will panic if `rhs` is 0 or the division results in overflow.
-
-# Examples
-
-Basic usage:
-
-```
-let a: ", stringify!($SelfT), " = 7; // or any other integer type
-let b = 4;
-
-assert_eq!(a.rem_euclid(b), 3);
-assert_eq!((-a).rem_euclid(b), 1);
-assert_eq!(a.rem_euclid(-b), 3);
-assert_eq!((-a).rem_euclid(-b), 1);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn rem_euclid(self, rhs: Self) -> Self {
-                let r = self % rhs;
-                if r < 0 {
-                    if rhs < 0 {
-                        r - rhs
-                    } else {
-                        r + rhs
-                    }
-                } else {
-                    r
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Computes the absolute value of `self`.
-
-# Overflow behavior
-
-The absolute value of `", stringify!($SelfT), "::MIN` cannot be represented as an
-`", stringify!($SelfT), "`, and attempting to calculate it will cause an overflow. This means that
-code in debug mode will trigger a panic on this case and optimized code will return `",
-stringify!($SelfT), "::MIN` without a panic.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(10", stringify!($SelfT), ".abs(), 10);
-assert_eq!((-10", stringify!($SelfT), ").abs(), 10);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[allow(unused_attributes)]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn abs(self) -> Self {
-                // Note that the #[inline] above means that the overflow
-                // semantics of the subtraction depend on the crate we're being
-                // inlined into.
-                if self.is_negative() {
-                    -self
-                } else {
-                    self
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns a number representing sign of `self`.
-
- - `0` if the number is zero
- - `1` if the number is positive
- - `-1` if the number is negative
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(10", stringify!($SelfT), ".signum(), 1);
-assert_eq!(0", stringify!($SelfT), ".signum(), 0);
-assert_eq!((-10", stringify!($SelfT), ").signum(), -1);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_sign", since = "1.47.0")]
-            #[inline]
-            pub const fn signum(self) -> Self {
-                match self {
-                    n if n > 0 =>  1,
-                    0          =>  0,
-                    _          => -1,
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns `true` if `self` is positive and `false` if the number is zero or
-negative.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert!(10", stringify!($SelfT), ".is_positive());
-assert!(!(-10", stringify!($SelfT), ").is_positive());",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn is_positive(self) -> bool { self > 0 }
-        }
-
-        doc_comment! {
-            concat!("Returns `true` if `self` is negative and `false` if the number is zero or
-positive.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert!((-10", stringify!($SelfT), ").is_negative());
-assert!(!10", stringify!($SelfT), ".is_negative());",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_int_methods", since = "1.32.0")]
-            #[inline]
-            pub const fn is_negative(self) -> bool { self < 0 }
-        }
-
-        doc_comment! {
-            concat!("Return the memory representation of this integer as a byte array in
-big-endian (network) byte order.
-",
-$to_xe_bytes_doc,
-"
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
-assert_eq!(bytes, ", $be_bytes, ");
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                self.to_be().to_ne_bytes()
-            }
-        }
-
-doc_comment! {
-            concat!("Return the memory representation of this integer as a byte array in
-little-endian byte order.
-",
-$to_xe_bytes_doc,
-"
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
-assert_eq!(bytes, ", $le_bytes, ");
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                self.to_le().to_ne_bytes()
-            }
-        }
-
-        doc_comment! {
-            concat!("
-Return the memory representation of this integer as a byte array in
-native byte order.
-
-As the target platform's native endianness is used, portable code
-should use [`to_be_bytes`] or [`to_le_bytes`], as appropriate,
-instead.
-",
-$to_xe_bytes_doc,
-"
-[`to_be_bytes`]: #method.to_be_bytes
-[`to_le_bytes`]: #method.to_le_bytes
-
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
-assert_eq!(
-    bytes,
-    if cfg!(target_endian = \"big\") {
-        ", $be_bytes, "
-    } else {
-        ", $le_bytes, "
-    }
-);
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            // SAFETY: const sound because integers are plain old datatypes so we can always
-            // transmute them to arrays of bytes
-            #[allow_internal_unstable(const_fn_transmute)]
-            #[inline]
-            pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                // SAFETY: integers are plain old datatypes so we can always transmute them to
-                // arrays of bytes
-                unsafe { mem::transmute(self) }
-            }
-        }
-
-doc_comment! {
-            concat!("Create an integer value from its representation as a byte array in
-big endian.
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_be_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                Self::from_be(Self::from_ne_bytes(bytes))
-            }
-        }
-
-doc_comment! {
-            concat!("
-Create an integer value from its representation as a byte array in
-little endian.
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_le_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_le_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                Self::from_le(Self::from_ne_bytes(bytes))
-            }
-        }
-
-        doc_comment! {
-            concat!("Create an integer value from its memory representation as a byte
-array in native endianness.
-
-As the target platform's native endianness is used, portable code
-likely wants to use [`from_be_bytes`] or [`from_le_bytes`], as
-appropriate instead.
-
-[`from_be_bytes`]: #method.from_be_bytes
-[`from_le_bytes`]: #method.from_le_bytes
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
-    ", $be_bytes, "
-} else {
-    ", $le_bytes, "
-});
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_ne_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            // SAFETY: const sound because integers are plain old datatypes so we can always
-            // transmute to them
-            #[allow_internal_unstable(const_fn_transmute)]
-            #[inline]
-            pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                // SAFETY: integers are plain old datatypes so we can always transmute to them
-                unsafe { mem::transmute(bytes) }
-            }
-        }
-
-        doc_comment! {
-            concat!("**This method is soft-deprecated.**
-
-Although using it won’t cause a compilation warning,
-new code should use [`", stringify!($SelfT), "::MIN", "`](#associatedconstant.MIN) instead.
-
-Returns the smallest value that can be represented by this integer type."),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[inline(always)]
-            #[rustc_promotable]
-            #[rustc_const_stable(feature = "const_min_value", since = "1.32.0")]
-            pub const fn min_value() -> Self {
-                Self::MIN
-            }
-        }
-
-        doc_comment! {
-            concat!("**This method is soft-deprecated.**
-
-Although using it won’t cause a compilation warning,
-new code should use [`", stringify!($SelfT), "::MAX", "`](#associatedconstant.MAX) instead.
-
-Returns the largest value that can be represented by this integer type."),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[inline(always)]
-            #[rustc_promotable]
-            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
-            pub const fn max_value() -> Self {
-                Self::MAX
-            }
-        }
-    }
-}
-
-#[lang = "i8"]
-impl i8 {
-    int_impl! { i8, i8, u8, 8, -128, 127, "", "", 2, "-0x7e", "0xa", "0x12", "0x12", "0x48",
-    "[0x12]", "[0x12]", "", "" }
-}
-
-#[lang = "i16"]
-impl i16 {
-    int_impl! { i16, i16, u16, 16, -32768, 32767, "", "", 4, "-0x5ffd", "0x3a", "0x1234", "0x3412",
-    "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]", "", "" }
-}
-
-#[lang = "i32"]
-impl i32 {
-    int_impl! { i32, i32, u32, 32, -2147483648, 2147483647, "", "", 8, "0x10000b3", "0xb301",
-    "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
-    "[0x12, 0x34, 0x56, 0x78]", "", "" }
-}
-
-#[lang = "i64"]
-impl i64 {
-    int_impl! { i64, i64, u64, 64, -9223372036854775808, 9223372036854775807, "", "", 12,
-    "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412",
-    "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
-    "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", "", "" }
-}
-
-#[lang = "i128"]
-impl i128 {
-    int_impl! { i128, i128, u128, 128, -170141183460469231731687303715884105728,
-    170141183460469231731687303715884105727, "", "", 16,
-    "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012",
-    "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48",
-    "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
-      0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
-    "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
-      0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", "", "" }
-}
-
-#[cfg(target_pointer_width = "16")]
-#[lang = "isize"]
-impl isize {
-    int_impl! { isize, i16, u16, 16, -32768, 32767, "", "", 4, "-0x5ffd", "0x3a", "0x1234",
-    "0x3412", "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]",
-    usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
-}
-
-#[cfg(target_pointer_width = "32")]
-#[lang = "isize"]
-impl isize {
-    int_impl! { isize, i32, u32, 32, -2147483648, 2147483647, "", "", 8, "0x10000b3", "0xb301",
-    "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
-    "[0x12, 0x34, 0x56, 0x78]",
-    usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
-}
-
-#[cfg(target_pointer_width = "64")]
-#[lang = "isize"]
-impl isize {
-    int_impl! { isize, i64, u64, 64, -9223372036854775808, 9223372036854775807, "", "",
-    12, "0xaa00000000006e1", "0x6e10aa",  "0x1234567890123456", "0x5634129078563412",
-     "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
-     "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
-     usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
-}
-
-macro_rules! uint_impl {
-    ($SelfT:ty, $ActualT:ty, $BITS:expr, $MaxV:expr, $Feature:expr, $EndFeature:expr,
-        $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr,
-        $reversed:expr, $le_bytes:expr, $be_bytes:expr,
-        $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => {
-        doc_comment! {
-            concat!("The smallest value that can be represented by this integer type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, 0);", $EndFeature, "
-```"),
-            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
-            pub const MIN: Self = 0;
-        }
-
-        doc_comment! {
-            concat!("The largest value that can be represented by this integer type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($MaxV), ");",
-$EndFeature, "
-```"),
-            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
-            pub const MAX: Self = !0;
-        }
-
-        doc_comment! {
-            concat!("The size of this integer type in bits.
-
-# Examples
-
-```
-", $Feature, "#![feature(int_bits_const)]
-assert_eq!(", stringify!($SelfT), "::BITS, ", stringify!($BITS), ");",
-$EndFeature, "
-```"),
-            #[unstable(feature = "int_bits_const", issue = "76904")]
-            pub const BITS: u32 = $BITS;
-        }
-
-        doc_comment! {
-            concat!("Converts a string slice in a given base to an integer.
-
-The string is expected to be an optional `+` sign
-followed by digits.
-Leading and trailing whitespace represent an error.
-Digits are a subset of these characters, depending on `radix`:
-
-* `0-9`
-* `a-z`
-* `A-Z`
-
-# Panics
-
-This function panics if `radix` is not in the range from 2 to 36.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
-                from_str_radix(src, radix)
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of ones in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0b01001100", stringify!($SelfT), ";
-
-assert_eq!(n.count_ones(), 3);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn count_ones(self) -> u32 {
-                intrinsics::ctpop(self as $ActualT) as u32
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of zeros in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 0);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn count_zeros(self) -> u32 {
-                (!self).count_ones()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of leading zeros in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = ", stringify!($SelfT), "::MAX >> 2;
-
-assert_eq!(n.leading_zeros(), 2);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn leading_zeros(self) -> u32 {
-                intrinsics::ctlz(self as $ActualT) as u32
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of trailing zeros in the binary representation
-of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0b0101000", stringify!($SelfT), ";
-
-assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn trailing_zeros(self) -> u32 {
-                intrinsics::cttz(self) as u32
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of leading ones in the binary representation of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = !(", stringify!($SelfT), "::MAX >> 2);
-
-assert_eq!(n.leading_ones(), 2);", $EndFeature, "
-```"),
-            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[inline]
-            pub const fn leading_ones(self) -> u32 {
-                (!self).leading_zeros()
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the number of trailing ones in the binary representation
-of `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0b1010111", stringify!($SelfT), ";
-
-assert_eq!(n.trailing_ones(), 3);", $EndFeature, "
-```"),
-            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
-            #[inline]
-            pub const fn trailing_ones(self) -> u32 {
-                (!self).trailing_zeros()
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts the bits to the left by a specified amount, `n`,
-wrapping the truncated bits to the end of the resulting integer.
-
-Please note this isn't the same operation as the `<<` shifting operator!
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $rot_op, stringify!($SelfT), ";
-let m = ", $rot_result, ";
-
-assert_eq!(n.rotate_left(", $rot, "), m);
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn rotate_left(self, n: u32) -> Self {
-                intrinsics::rotate_left(self, n as $SelfT)
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts the bits to the right by a specified amount, `n`,
-wrapping the truncated bits to the beginning of the resulting
-integer.
-
-Please note this isn't the same operation as the `>>` shifting operator!
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $rot_result, stringify!($SelfT), ";
-let m = ", $rot_op, ";
-
-assert_eq!(n.rotate_right(", $rot, "), m);
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn rotate_right(self, n: u32) -> Self {
-                intrinsics::rotate_right(self, n as $SelfT)
-            }
-        }
-
-        doc_comment! {
-            concat!("
-Reverses the byte order of the integer.
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $swap_op, stringify!($SelfT), ";
-let m = n.swap_bytes();
-
-assert_eq!(m, ", $swapped, ");
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn swap_bytes(self) -> Self {
-                intrinsics::bswap(self as $ActualT) as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Reverses the bit pattern of the integer.
-
-# Examples
-
-Basic usage:
-
-```
-let n = ", $swap_op, stringify!($SelfT), ";
-let m = n.reverse_bits();
-
-assert_eq!(m, ", $reversed, ");
-```"),
-            #[stable(feature = "reverse_bits", since = "1.37.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            #[must_use]
-            pub const fn reverse_bits(self) -> Self {
-                intrinsics::bitreverse(self as $ActualT) as Self
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts an integer from big endian to the target's endianness.
-
-On big endian this is a no-op. On little endian the bytes are
-swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"big\") {
-    assert_eq!(", stringify!($SelfT), "::from_be(n), n)
-} else {
-    assert_eq!(", stringify!($SelfT), "::from_be(n), n.swap_bytes())
-}", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn from_be(x: Self) -> Self {
-                #[cfg(target_endian = "big")]
-                {
-                    x
-                }
-                #[cfg(not(target_endian = "big"))]
-                {
-                    x.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts an integer from little endian to the target's endianness.
-
-On little endian this is a no-op. On big endian the bytes are
-swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"little\") {
-    assert_eq!(", stringify!($SelfT), "::from_le(n), n)
-} else {
-    assert_eq!(", stringify!($SelfT), "::from_le(n), n.swap_bytes())
-}", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn from_le(x: Self) -> Self {
-                #[cfg(target_endian = "little")]
-                {
-                    x
-                }
-                #[cfg(not(target_endian = "little"))]
-                {
-                    x.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts `self` to big endian from the target's endianness.
-
-On big endian this is a no-op. On little endian the bytes are
-swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"big\") {
-    assert_eq!(n.to_be(), n)
-} else {
-    assert_eq!(n.to_be(), n.swap_bytes())
-}", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn to_be(self) -> Self { // or not to be?
-                #[cfg(target_endian = "big")]
-                {
-                    self
-                }
-                #[cfg(not(target_endian = "big"))]
-                {
-                    self.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Converts `self` to little endian from the target's endianness.
-
-On little endian this is a no-op. On big endian the bytes are
-swapped.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "let n = 0x1A", stringify!($SelfT), ";
-
-if cfg!(target_endian = \"little\") {
-    assert_eq!(n.to_le(), n)
-} else {
-    assert_eq!(n.to_le(), n.swap_bytes())
-}", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
-            #[inline]
-            pub const fn to_le(self) -> Self {
-                #[cfg(target_endian = "little")]
-                {
-                    self
-                }
-                #[cfg(not(target_endian = "little"))]
-                {
-                    self.swap_bytes()
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer addition. Computes `self + rhs`, returning `None`
-if overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(1), ",
-"Some(", stringify!($SelfT), "::MAX - 1));
-assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_add(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_add(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer addition. Computes `self + rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self + rhs > ", stringify!($SelfT),
-"::MAX` or `self + rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_add(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_add`.
-                unsafe { intrinsics::unchecked_add(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer subtraction. Computes `self - rhs`, returning
-`None` if overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(1", stringify!($SelfT), ".checked_sub(1), Some(0));
-assert_eq!(0", stringify!($SelfT), ".checked_sub(1), None);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_sub(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_sub(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer subtraction. Computes `self - rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self - rhs > ", stringify!($SelfT),
-"::MAX` or `self - rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_sub(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_sub`.
-                unsafe { intrinsics::unchecked_sub(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer multiplication. Computes `self * rhs`, returning
-`None` if overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(5", stringify!($SelfT), ".checked_mul(1), Some(5));
-assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_mul(self, rhs: Self) -> Option<Self> {
-                let (a, b) = self.overflowing_mul(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Unchecked integer multiplication. Computes `self * rhs`, assuming overflow
-cannot occur. This results in undefined behavior when `self * rhs > ", stringify!($SelfT),
-"::MAX` or `self * rhs < ", stringify!($SelfT), "::MIN`."),
-            #[unstable(
-                feature = "unchecked_math",
-                reason = "niche optimization path",
-                issue = "none",
-            )]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub unsafe fn unchecked_mul(self, rhs: Self) -> Self {
-                // SAFETY: the caller must uphold the safety contract for
-                // `unchecked_mul`.
-                unsafe { intrinsics::unchecked_mul(self, rhs) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked integer division. Computes `self / rhs`, returning `None`
-if `rhs == 0`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(128", stringify!($SelfT), ".checked_div(2), Some(64));
-assert_eq!(1", stringify!($SelfT), ".checked_div(0), None);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_div(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0) {
-                    None
-                } else {
-                    // SAFETY: div by zero has been checked above and unsigned types have no other
-                    // failure modes for division
-                    Some(unsafe { intrinsics::unchecked_div(self, rhs) })
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked Euclidean division. Computes `self.div_euclid(rhs)`, returning `None`
-if `rhs == 0`.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(128", stringify!($SelfT), ".checked_div_euclid(2), Some(64));
-assert_eq!(1", stringify!($SelfT), ".checked_div_euclid(0), None);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0) {
-                    None
-                } else {
-                    Some(self.div_euclid(rhs))
-                }
-            }
-        }
-
-
-        doc_comment! {
-            concat!("Checked integer remainder. Computes `self % rhs`, returning `None`
-if `rhs == 0`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(5", stringify!($SelfT), ".checked_rem(2), Some(1));
-assert_eq!(5", stringify!($SelfT), ".checked_rem(0), None);", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_rem(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0) {
-                    None
-                } else {
-                    // SAFETY: div by zero has been checked above and unsigned types have no other
-                    // failure modes for division
-                    Some(unsafe { intrinsics::unchecked_rem(self, rhs) })
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked Euclidean modulo. Computes `self.rem_euclid(rhs)`, returning `None`
-if `rhs == 0`.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(2), Some(1));
-assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(0), None);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self> {
-                if unlikely!(rhs == 0) {
-                    None
-                } else {
-                    Some(self.rem_euclid(rhs))
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked negation. Computes `-self`, returning `None` unless `self ==
-0`.
-
-Note that negating any positive integer will overflow.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0", stringify!($SelfT), ".checked_neg(), Some(0));
-assert_eq!(1", stringify!($SelfT), ".checked_neg(), None);", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn checked_neg(self) -> Option<Self> {
-                let (a, b) = self.overflowing_neg();
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked shift left. Computes `self << rhs`, returning `None`
-if `rhs` is larger than or equal to the number of bits in `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".checked_shl(4), Some(0x10));
-assert_eq!(0x10", stringify!($SelfT), ".checked_shl(129), None);", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_shl(self, rhs: u32) -> Option<Self> {
-                let (a, b) = self.overflowing_shl(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked shift right. Computes `self >> rhs`, returning `None`
-if `rhs` is larger than or equal to the number of bits in `self`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".checked_shr(4), Some(0x1));
-assert_eq!(0x10", stringify!($SelfT), ".checked_shr(129), None);", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_shr(self, rhs: u32) -> Option<Self> {
-                let (a, b) = self.overflowing_shr(rhs);
-                if unlikely!(b) {None} else {Some(a)}
-            }
-        }
-
-        doc_comment! {
-            concat!("Checked exponentiation. Computes `self.pow(exp)`, returning `None` if
-overflow occurred.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(2", stringify!($SelfT), ".checked_pow(5), Some(32));
-assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);", $EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn checked_pow(self, mut exp: u32) -> Option<Self> {
-                if exp == 0 {
-                    return Some(1);
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        acc = try_opt!(acc.checked_mul(base));
-                    }
-                    exp /= 2;
-                    base = try_opt!(base.checked_mul(base));
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-
-                Some(try_opt!(acc.checked_mul(base)))
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer addition. Computes `self + rhs`, saturating at
-the numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_add(1), 101);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(127), ", stringify!($SelfT), "::MAX);",
-$EndFeature, "
-```"),
-
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn saturating_add(self, rhs: Self) -> Self {
-                intrinsics::saturating_add(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer subtraction. Computes `self - rhs`, saturating
-at the numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_sub(27), 73);
-assert_eq!(13", stringify!($SelfT), ".saturating_sub(127), 0);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[inline]
-            pub const fn saturating_sub(self, rhs: Self) -> Self {
-                intrinsics::saturating_sub(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer multiplication. Computes `self * rhs`,
-saturating at the numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(2", stringify!($SelfT), ".saturating_mul(10), 20);
-assert_eq!((", stringify!($SelfT), "::MAX).saturating_mul(10), ", stringify!($SelfT),
-"::MAX);", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_mul(self, rhs: Self) -> Self {
-                match self.checked_mul(rhs) {
-                    Some(x) => x,
-                    None => Self::MAX,
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Saturating integer exponentiation. Computes `self.pow(exp)`,
-saturating at the numeric bounds instead of overflowing.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "
-assert_eq!(4", stringify!($SelfT), ".saturating_pow(3), 64);
-assert_eq!(", stringify!($SelfT), "::MAX.saturating_pow(2), ", stringify!($SelfT), "::MAX);",
-$EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn saturating_pow(self, exp: u32) -> Self {
-                match self.checked_pow(exp) {
-                    Some(x) => x,
-                    None => Self::MAX,
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) addition. Computes `self + rhs`,
-wrapping around at the boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(200", stringify!($SelfT), ".wrapping_add(55), 255);
-assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_add(self, rhs: Self) -> Self {
-                intrinsics::wrapping_add(self, rhs)
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) subtraction. Computes `self - rhs`,
-wrapping around at the boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_sub(100), 0);
-assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);",
-$EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_sub(self, rhs: Self) -> Self {
-                intrinsics::wrapping_sub(self, rhs)
-            }
-        }
-
-        /// Wrapping (modular) multiplication. Computes `self *
-        /// rhs`, wrapping around at the boundary of the type.
-        ///
-        /// # Examples
-        ///
-        /// Basic usage:
-        ///
-        /// Please note that this example is shared between integer types.
-        /// Which explains why `u8` is used here.
-        ///
-        /// ```
-        /// assert_eq!(10u8.wrapping_mul(12), 120);
-        /// assert_eq!(25u8.wrapping_mul(12), 44);
-        /// ```
-        #[stable(feature = "rust1", since = "1.0.0")]
-        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-        #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-        #[inline]
-        pub const fn wrapping_mul(self, rhs: Self) -> Self {
-            intrinsics::wrapping_mul(self, rhs)
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) division. Computes `self / rhs`.
-Wrapped division on unsigned types is just normal division.
-There's no way wrapping could ever happen.
-This function exists, so that all operations
-are accounted for in the wrapping operations.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_div(10), 10);", $EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_div(self, rhs: Self) -> Self {
-                self / rhs
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping Euclidean division. Computes `self.div_euclid(rhs)`.
-Wrapped division on unsigned types is just normal division.
-There's no way wrapping could ever happen.
-This function exists, so that all operations
-are accounted for in the wrapping operations.
-Since, for the positive integers, all common
-definitions of division are equal, this
-is exactly equal to `self.wrapping_div(rhs)`.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(100", stringify!($SelfT), ".wrapping_div_euclid(10), 10);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_div_euclid(self, rhs: Self) -> Self {
-                self / rhs
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) remainder. Computes `self % rhs`.
-Wrapped remainder calculation on unsigned types is
-just the regular remainder calculation.
-There's no way wrapping could ever happen.
-This function exists, so that all operations
-are accounted for in the wrapping operations.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_rem(10), 0);", $EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_rem(self, rhs: Self) -> Self {
-                self % rhs
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping Euclidean modulo. Computes `self.rem_euclid(rhs)`.
-Wrapped modulo calculation on unsigned types is
-just the regular remainder calculation.
-There's no way wrapping could ever happen.
-This function exists, so that all operations
-are accounted for in the wrapping operations.
-Since, for the positive integers, all common
-definitions of division are equal, this
-is exactly equal to `self.wrapping_rem(rhs)`.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(100", stringify!($SelfT), ".wrapping_rem_euclid(10), 0);
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self {
-                self % rhs
-            }
-        }
-
-        /// Wrapping (modular) negation. Computes `-self`,
-        /// wrapping around at the boundary of the type.
-        ///
-        /// Since unsigned types do not have negative equivalents
-        /// all applications of this function will wrap (except for `-0`).
-        /// For values smaller than the corresponding signed type's maximum
-        /// the result is the same as casting the corresponding signed value.
-        /// Any larger values are equivalent to `MAX + 1 - (val - MAX - 1)` where
-        /// `MAX` is the corresponding signed type's maximum.
-        ///
-        /// # Examples
-        ///
-        /// Basic usage:
-        ///
-        /// Please note that this example is shared between integer types.
-        /// Which explains why `i8` is used here.
-        ///
-        /// ```
-        /// assert_eq!(100i8.wrapping_neg(), -100);
-        /// assert_eq!((-128i8).wrapping_neg(), -128);
-        /// ```
-        #[stable(feature = "num_wrapping", since = "1.2.0")]
-        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-        #[inline]
-        pub const fn wrapping_neg(self) -> Self {
-            self.overflowing_neg().0
-        }
-
-        doc_comment! {
-            concat!("Panic-free bitwise shift-left; yields `self << mask(rhs)`,
-where `mask` removes any high-order bits of `rhs` that
-would cause the shift to exceed the bitwidth of the type.
-
-Note that this is *not* the same as a rotate-left; the
-RHS of a wrapping shift-left is restricted to the range
-of the type, rather than the bits shifted out of the LHS
-being returned to the other end. The primitive integer
-types all implement a [`rotate_left`](#method.rotate_left) function,
-which may be what you want instead.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(1", stringify!($SelfT), ".wrapping_shl(7), 128);
-assert_eq!(1", stringify!($SelfT), ".wrapping_shl(128), 1);", $EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_shl(self, rhs: u32) -> Self {
-                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
-                // out of bounds
-                unsafe {
-                    intrinsics::unchecked_shl(self, (rhs & ($BITS - 1)) as $SelfT)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Panic-free bitwise shift-right; yields `self >> mask(rhs)`,
-where `mask` removes any high-order bits of `rhs` that
-would cause the shift to exceed the bitwidth of the type.
-
-Note that this is *not* the same as a rotate-right; the
-RHS of a wrapping shift-right is restricted to the range
-of the type, rather than the bits shifted out of the LHS
-being returned to the other end. The primitive integer
-types all implement a [`rotate_right`](#method.rotate_right) function,
-which may be what you want instead.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(128", stringify!($SelfT), ".wrapping_shr(7), 1);
-assert_eq!(128", stringify!($SelfT), ".wrapping_shr(128), 128);", $EndFeature, "
-```"),
-            #[stable(feature = "num_wrapping", since = "1.2.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_shr(self, rhs: u32) -> Self {
-                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
-                // out of bounds
-                unsafe {
-                    intrinsics::unchecked_shr(self, (rhs & ($BITS - 1)) as $SelfT)
-                }
-            }
-        }
-
-        doc_comment! {
-            concat!("Wrapping (modular) exponentiation. Computes `self.pow(exp)`,
-wrapping around at the boundary of the type.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(3", stringify!($SelfT), ".wrapping_pow(5), 243);
-assert_eq!(3u8.wrapping_pow(6), 217);", $EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn wrapping_pow(self, mut exp: u32) -> Self {
-                if exp == 0 {
-                    return 1;
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        acc = acc.wrapping_mul(base);
-                    }
-                    exp /= 2;
-                    base = base.wrapping_mul(base);
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                acc.wrapping_mul(base)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates `self` + `rhs`
-
-Returns a tuple of the addition along with a boolean indicating
-whether an arithmetic overflow would occur. If an overflow would
-have occurred then the wrapped value is returned.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_add(2), (7, false));
-assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (0, true));", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
-                let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
-                (a as Self, b)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates `self` - `rhs`
-
-Returns a tuple of the subtraction along with a boolean indicating
-whether an arithmetic overflow would occur. If an overflow would
-have occurred then the wrapped value is returned.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "
-assert_eq!(5", stringify!($SelfT), ".overflowing_sub(2), (3, false));
-assert_eq!(0", stringify!($SelfT), ".overflowing_sub(1), (", stringify!($SelfT), "::MAX, true));",
-$EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
-                let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
-                (a as Self, b)
-            }
-        }
-
-        /// Calculates the multiplication of `self` and `rhs`.
-        ///
-        /// Returns a tuple of the multiplication along with a boolean
-        /// indicating whether an arithmetic overflow would occur. If an
-        /// overflow would have occurred then the wrapped value is returned.
-        ///
-        /// # Examples
-        ///
-        /// Basic usage:
-        ///
-        /// Please note that this example is shared between integer types.
-        /// Which explains why `u32` is used here.
-        ///
-        /// ```
-        /// assert_eq!(5u32.overflowing_mul(2), (10, false));
-        /// assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true));
-        /// ```
-        #[stable(feature = "wrapping", since = "1.7.0")]
-        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-        #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-        #[inline]
-        pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
-            let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
-            (a as Self, b)
-        }
-
-        doc_comment! {
-            concat!("Calculates the divisor when `self` is divided by `rhs`.
-
-Returns a tuple of the divisor along with a boolean indicating
-whether an arithmetic overflow would occur. Note that for unsigned
-integers overflow never occurs, so the second value is always
-`false`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_div(2), (2, false));", $EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_div(self, rhs: Self) -> (Self, bool) {
-                (self / rhs, false)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the quotient of Euclidean division `self.div_euclid(rhs)`.
-
-Returns a tuple of the divisor along with a boolean indicating
-whether an arithmetic overflow would occur. Note that for unsigned
-integers overflow never occurs, so the second value is always
-`false`.
-Since, for the positive integers, all common
-definitions of division are equal, this
-is exactly equal to `self.overflowing_div(rhs)`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage
-
-```
-assert_eq!(5", stringify!($SelfT), ".overflowing_div_euclid(2), (2, false));
-```"),
-            #[inline]
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) {
-                (self / rhs, false)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the remainder when `self` is divided by `rhs`.
-
-Returns a tuple of the remainder after dividing along with a boolean
-indicating whether an arithmetic overflow would occur. Note that for
-unsigned integers overflow never occurs, so the second value is
-always `false`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_rem(2), (1, false));", $EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool) {
-                (self % rhs, false)
-            }
-        }
-
-        doc_comment! {
-            concat!("Calculates the remainder `self.rem_euclid(rhs)` as if by Euclidean division.
-
-Returns a tuple of the modulo after dividing along with a boolean
-indicating whether an arithmetic overflow would occur. Note that for
-unsigned integers overflow never occurs, so the second value is
-always `false`.
-Since, for the positive integers, all common
-definitions of division are equal, this operation
-is exactly equal to `self.overflowing_rem(rhs)`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage
-
-```
-assert_eq!(5", stringify!($SelfT), ".overflowing_rem_euclid(2), (1, false));
-```"),
-            #[inline]
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) {
-                (self % rhs, false)
-            }
-        }
-
-        doc_comment! {
-            concat!("Negates self in an overflowing fashion.
-
-Returns `!self + 1` using wrapping operations to return the value
-that represents the negation of this unsigned value. Note that for
-positive unsigned values overflow always occurs, but negating 0 does
-not overflow.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "assert_eq!(0", stringify!($SelfT), ".overflowing_neg(), (0, false));
-assert_eq!(2", stringify!($SelfT), ".overflowing_neg(), (-2i32 as ", stringify!($SelfT),
-", true));", $EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            pub const fn overflowing_neg(self) -> (Self, bool) {
-                ((!self).wrapping_add(1), self != 0)
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts self left by `rhs` bits.
-
-Returns a tuple of the shifted version of self along with a boolean
-indicating whether the shift value was larger than or equal to the
-number of bits. If the shift value is too large, then value is
-masked (N-1) where N is the number of bits, and this value is then
-used to perform the shift.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".overflowing_shl(4), (0x10, false));
-assert_eq!(0x1", stringify!($SelfT), ".overflowing_shl(132), (0x10, true));", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_shl(self, rhs: u32) -> (Self, bool) {
-                (self.wrapping_shl(rhs), (rhs > ($BITS - 1)))
-            }
-        }
-
-        doc_comment! {
-            concat!("Shifts self right by `rhs` bits.
-
-Returns a tuple of the shifted version of self along with a boolean
-indicating whether the shift value was larger than or equal to the
-number of bits. If the shift value is too large, then value is
-masked (N-1) where N is the number of bits, and this value is then
-used to perform the shift.
-
-# Examples
-
-Basic usage
-
-```
-", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(4), (0x1, false));
-assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(132), (0x1, true));", $EndFeature, "
-```"),
-            #[stable(feature = "wrapping", since = "1.7.0")]
-            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_shr(self, rhs: u32) -> (Self, bool) {
-                (self.wrapping_shr(rhs), (rhs > ($BITS - 1)))
-            }
-        }
-
-        doc_comment! {
-            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
-
-Returns a tuple of the exponentiation along with a bool indicating
-whether an overflow happened.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(3", stringify!($SelfT), ".overflowing_pow(5), (243, false));
-assert_eq!(3u8.overflowing_pow(6), (217, true));", $EndFeature, "
-```"),
-            #[stable(feature = "no_panic_pow", since = "1.34.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            pub const fn overflowing_pow(self, mut exp: u32) -> (Self, bool) {
-                if exp == 0{
-                    return (1,false);
-                }
-                let mut base = self;
-                let mut acc: Self = 1;
-                let mut overflown = false;
-                // Scratch space for storing results of overflowing_mul.
-                let mut r;
-
-                while exp > 1 {
-                    if (exp & 1) == 1 {
-                        r = acc.overflowing_mul(base);
-                        acc = r.0;
-                        overflown |= r.1;
-                    }
-                    exp /= 2;
-                    r = base.overflowing_mul(base);
-                    base = r.0;
-                    overflown |= r.1;
-                }
-
-                // since exp!=0, finally the exp must be 1.
-                // Deal with the final bit of the exponent separately, since
-                // squaring the base afterwards is not necessary and may cause a
-                // needless overflow.
-                r = acc.overflowing_mul(base);
-                r.1 |= overflown;
-
-                r
-            }
-        }
-
-        doc_comment! {
-            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(2", stringify!($SelfT), ".pow(5), 32);", $EndFeature, "
-```"),
-        #[stable(feature = "rust1", since = "1.0.0")]
-        #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-        #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-        #[inline]
-        #[rustc_inherit_overflow_checks]
-        pub const fn pow(self, mut exp: u32) -> Self {
-            if exp == 0 {
-                return 1;
-            }
-            let mut base = self;
-            let mut acc = 1;
-
-            while exp > 1 {
-                if (exp & 1) == 1 {
-                    acc = acc * base;
-                }
-                exp /= 2;
-                base = base * base;
-            }
-
-            // since exp!=0, finally the exp must be 1.
-            // Deal with the final bit of the exponent separately, since
-            // squaring the base afterwards is not necessary and may cause a
-            // needless overflow.
-            acc * base
-        }
-    }
-
-        doc_comment! {
-            concat!("Performs Euclidean division.
-
-Since, for the positive integers, all common
-definitions of division are equal, this
-is exactly equal to `self / rhs`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(7", stringify!($SelfT), ".div_euclid(4), 1); // or any other integer type
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn div_euclid(self, rhs: Self) -> Self {
-                self / rhs
-            }
-        }
-
-
-        doc_comment! {
-            concat!("Calculates the least remainder of `self (mod rhs)`.
-
-Since, for the positive integers, all common
-definitions of division are equal, this
-is exactly equal to `self % rhs`.
-
-# Panics
-
-This function will panic if `rhs` is 0.
-
-# Examples
-
-Basic usage:
-
-```
-assert_eq!(7", stringify!($SelfT), ".rem_euclid(4), 3); // or any other integer type
-```"),
-            #[stable(feature = "euclidean_division", since = "1.38.0")]
-            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
-            #[must_use = "this returns the result of the operation, \
-                          without modifying the original"]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn rem_euclid(self, rhs: Self) -> Self {
-                self % rhs
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns `true` if and only if `self == 2^k` for some `k`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert!(16", stringify!($SelfT), ".is_power_of_two());
-assert!(!10", stringify!($SelfT), ".is_power_of_two());", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_stable(feature = "const_is_power_of_two", since = "1.32.0")]
-            #[inline]
-            pub const fn is_power_of_two(self) -> bool {
-                self.count_ones() == 1
-            }
-        }
-
-        // Returns one less than next power of two.
-        // (For 8u8 next power of two is 8u8 and for 6u8 it is 8u8)
-        //
-        // 8u8.one_less_than_next_power_of_two() == 7
-        // 6u8.one_less_than_next_power_of_two() == 7
-        //
-        // This method cannot overflow, as in the `next_power_of_two`
-        // overflow cases it instead ends up returning the maximum value
-        // of the type, and can return 0 for 0.
-        #[inline]
-        #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-        const fn one_less_than_next_power_of_two(self) -> Self {
-            if self <= 1 { return 0; }
-
-            let p = self - 1;
-            // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros.
-            // That means the shift is always in-bounds, and some processors
-            // (such as intel pre-haswell) have more efficient ctlz
-            // intrinsics when the argument is non-zero.
-            let z = unsafe { intrinsics::ctlz_nonzero(p) };
-            <$SelfT>::MAX >> z
-        }
-
-        doc_comment! {
-            concat!("Returns the smallest power of two greater than or equal to `self`.
-
-When return value overflows (i.e., `self > (1 << (N-1))` for type
-`uN`), it panics in debug mode and return value is wrapped to 0 in
-release mode (the only situation in which method can return 0).
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(2", stringify!($SelfT), ".next_power_of_two(), 2);
-assert_eq!(3", stringify!($SelfT), ".next_power_of_two(), 4);", $EndFeature, "
-```"),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            #[inline]
-            #[rustc_inherit_overflow_checks]
-            pub const fn next_power_of_two(self) -> Self {
-                self.one_less_than_next_power_of_two() + 1
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the smallest power of two greater than or equal to `n`. If
-the next power of two is greater than the type's maximum value,
-`None` is returned, otherwise the power of two is wrapped in `Some`.
-
-# Examples
-
-Basic usage:
-
-```
-", $Feature, "assert_eq!(2", stringify!($SelfT),
-".checked_next_power_of_two(), Some(2));
-assert_eq!(3", stringify!($SelfT), ".checked_next_power_of_two(), Some(4));
-assert_eq!(", stringify!($SelfT), "::MAX.checked_next_power_of_two(), None);",
-$EndFeature, "
-```"),
-            #[inline]
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            pub const fn checked_next_power_of_two(self) -> Option<Self> {
-                self.one_less_than_next_power_of_two().checked_add(1)
-            }
-        }
-
-        doc_comment! {
-            concat!("Returns the smallest power of two greater than or equal to `n`. If
-the next power of two is greater than the type's maximum value,
-the return value is wrapped to `0`.
-
-# Examples
-
-Basic usage:
-
-```
-#![feature(wrapping_next_power_of_two)]
-", $Feature, "
-assert_eq!(2", stringify!($SelfT), ".wrapping_next_power_of_two(), 2);
-assert_eq!(3", stringify!($SelfT), ".wrapping_next_power_of_two(), 4);
-assert_eq!(", stringify!($SelfT), "::MAX.wrapping_next_power_of_two(), 0);",
-$EndFeature, "
-```"),
-            #[unstable(feature = "wrapping_next_power_of_two", issue = "32463",
-                       reason = "needs decision on wrapping behaviour")]
-            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
-            pub const fn wrapping_next_power_of_two(self) -> Self {
-                self.one_less_than_next_power_of_two().wrapping_add(1)
-            }
-        }
-
-        doc_comment! {
-            concat!("Return the memory representation of this integer as a byte array in
-big-endian (network) byte order.
-",
-$to_xe_bytes_doc,
-"
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
-assert_eq!(bytes, ", $be_bytes, ");
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                self.to_be().to_ne_bytes()
-            }
-        }
-
-        doc_comment! {
-            concat!("Return the memory representation of this integer as a byte array in
-little-endian byte order.
-",
-$to_xe_bytes_doc,
-"
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
-assert_eq!(bytes, ", $le_bytes, ");
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                self.to_le().to_ne_bytes()
-            }
-        }
-
-        doc_comment! {
-            concat!("
-Return the memory representation of this integer as a byte array in
-native byte order.
-
-As the target platform's native endianness is used, portable code
-should use [`to_be_bytes`] or [`to_le_bytes`], as appropriate,
-instead.
-",
-$to_xe_bytes_doc,
-"
-[`to_be_bytes`]: #method.to_be_bytes
-[`to_le_bytes`]: #method.to_le_bytes
-
-# Examples
-
-```
-let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
-assert_eq!(
-    bytes,
-    if cfg!(target_endian = \"big\") {
-        ", $be_bytes, "
-    } else {
-        ", $le_bytes, "
-    }
-);
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            // SAFETY: const sound because integers are plain old datatypes so we can always
-            // transmute them to arrays of bytes
-            #[allow_internal_unstable(const_fn_transmute)]
-            #[inline]
-            pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
-                // SAFETY: integers are plain old datatypes so we can always transmute them to
-                // arrays of bytes
-                unsafe { mem::transmute(self) }
-            }
-        }
-
-        doc_comment! {
-            concat!("Create a native endian integer value from its representation
-as a byte array in big endian.
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_be_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                Self::from_be(Self::from_ne_bytes(bytes))
-            }
-        }
-
-        doc_comment! {
-            concat!("
-Create a native endian integer value from its representation
-as a byte array in little endian.
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_le_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_le_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            #[inline]
-            pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                Self::from_le(Self::from_ne_bytes(bytes))
-            }
-        }
-
-        doc_comment! {
-            concat!("Create a native endian integer value from its memory representation
-as a byte array in native endianness.
-
-As the target platform's native endianness is used, portable code
-likely wants to use [`from_be_bytes`] or [`from_le_bytes`], as
-appropriate instead.
-
-[`from_be_bytes`]: #method.from_be_bytes
-[`from_le_bytes`]: #method.from_le_bytes
-",
-$from_xe_bytes_doc,
-"
-# Examples
-
-```
-let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
-    ", $be_bytes, "
-} else {
-    ", $le_bytes, "
-});
-assert_eq!(value, ", $swap_op, ");
-```
-
-When starting from a slice rather than an array, fallible conversion APIs can be used:
-
-```
-use std::convert::TryInto;
-
-fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
-    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
-    *input = rest;
-    ", stringify!($SelfT), "::from_ne_bytes(int_bytes.try_into().unwrap())
-}
-```"),
-            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
-            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
-            // SAFETY: const sound because integers are plain old datatypes so we can always
-            // transmute to them
-            #[allow_internal_unstable(const_fn_transmute)]
-            #[inline]
-            pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
-                // SAFETY: integers are plain old datatypes so we can always transmute to them
-                unsafe { mem::transmute(bytes) }
-            }
-        }
-
-        doc_comment! {
-            concat!("**This method is soft-deprecated.**
-
-Although using it won’t cause compilation warning,
-new code should use [`", stringify!($SelfT), "::MIN", "`](#associatedconstant.MIN) instead.
-
-Returns the smallest value that can be represented by this integer type."),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_promotable]
-            #[inline(always)]
-            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
-            pub const fn min_value() -> Self { Self::MIN }
-        }
-
-        doc_comment! {
-            concat!("**This method is soft-deprecated.**
-
-Although using it won’t cause compilation warning,
-new code should use [`", stringify!($SelfT), "::MAX", "`](#associatedconstant.MAX) instead.
-
-Returns the largest value that can be represented by this integer type."),
-            #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_promotable]
-            #[inline(always)]
-            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
-            pub const fn max_value() -> Self { Self::MAX }
-        }
-    }
+#[cfg(target_pointer_width = "64")]
+#[lang = "isize"]
+impl isize {
+    int_impl! { isize, i64, u64, 64, -9223372036854775808, 9223372036854775807, "", "",
+    12, "0xaa00000000006e1", "0x6e10aa",  "0x1234567890123456", "0x5634129078563412",
+     "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+     "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
+     usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!() }
 }
 
 #[lang = "u8"]
diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs
new file mode 100644
index 0000000000000..234c309961c9c
--- /dev/null
+++ b/library/core/src/num/uint_macros.rs
@@ -0,0 +1,1955 @@
+macro_rules! uint_impl {
+    ($SelfT:ty, $ActualT:ty, $BITS:expr, $MaxV:expr, $Feature:expr, $EndFeature:expr,
+        $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr,
+        $reversed:expr, $le_bytes:expr, $be_bytes:expr,
+        $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr) => {
+        doc_comment! {
+            concat!("The smallest value that can be represented by this integer type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MIN, 0);", $EndFeature, "
+```"),
+            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
+            pub const MIN: Self = 0;
+        }
+
+        doc_comment! {
+            concat!("The largest value that can be represented by this integer type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX, ", stringify!($MaxV), ");",
+$EndFeature, "
+```"),
+            #[stable(feature = "assoc_int_consts", since = "1.43.0")]
+            pub const MAX: Self = !0;
+        }
+
+        doc_comment! {
+            concat!("The size of this integer type in bits.
+
+# Examples
+
+```
+", $Feature, "#![feature(int_bits_const)]
+assert_eq!(", stringify!($SelfT), "::BITS, ", stringify!($BITS), ");",
+$EndFeature, "
+```"),
+            #[unstable(feature = "int_bits_const", issue = "76904")]
+            pub const BITS: u32 = $BITS;
+        }
+
+        doc_comment! {
+            concat!("Converts a string slice in a given base to an integer.
+
+The string is expected to be an optional `+` sign
+followed by digits.
+Leading and trailing whitespace represent an error.
+Digits are a subset of these characters, depending on `radix`:
+
+* `0-9`
+* `a-z`
+* `A-Z`
+
+# Panics
+
+This function panics if `radix` is not in the range from 2 to 36.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
+                from_str_radix(src, radix)
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of ones in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0b01001100", stringify!($SelfT), ";
+
+assert_eq!(n.count_ones(), 3);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn count_ones(self) -> u32 {
+                intrinsics::ctpop(self as $ActualT) as u32
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of zeros in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(", stringify!($SelfT), "::MAX.count_zeros(), 0);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn count_zeros(self) -> u32 {
+                (!self).count_ones()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of leading zeros in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = ", stringify!($SelfT), "::MAX >> 2;
+
+assert_eq!(n.leading_zeros(), 2);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn leading_zeros(self) -> u32 {
+                intrinsics::ctlz(self as $ActualT) as u32
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of trailing zeros in the binary representation
+of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0b0101000", stringify!($SelfT), ";
+
+assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn trailing_zeros(self) -> u32 {
+                intrinsics::cttz(self) as u32
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of leading ones in the binary representation of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = !(", stringify!($SelfT), "::MAX >> 2);
+
+assert_eq!(n.leading_ones(), 2);", $EndFeature, "
+```"),
+            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[inline]
+            pub const fn leading_ones(self) -> u32 {
+                (!self).leading_zeros()
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the number of trailing ones in the binary representation
+of `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0b1010111", stringify!($SelfT), ";
+
+assert_eq!(n.trailing_ones(), 3);", $EndFeature, "
+```"),
+            #[stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[rustc_const_stable(feature = "leading_trailing_ones", since = "1.46.0")]
+            #[inline]
+            pub const fn trailing_ones(self) -> u32 {
+                (!self).trailing_zeros()
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts the bits to the left by a specified amount, `n`,
+wrapping the truncated bits to the end of the resulting integer.
+
+Please note this isn't the same operation as the `<<` shifting operator!
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $rot_op, stringify!($SelfT), ";
+let m = ", $rot_result, ";
+
+assert_eq!(n.rotate_left(", $rot, "), m);
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn rotate_left(self, n: u32) -> Self {
+                intrinsics::rotate_left(self, n as $SelfT)
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts the bits to the right by a specified amount, `n`,
+wrapping the truncated bits to the beginning of the resulting
+integer.
+
+Please note this isn't the same operation as the `>>` shifting operator!
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $rot_result, stringify!($SelfT), ";
+let m = ", $rot_op, ";
+
+assert_eq!(n.rotate_right(", $rot, "), m);
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn rotate_right(self, n: u32) -> Self {
+                intrinsics::rotate_right(self, n as $SelfT)
+            }
+        }
+
+        doc_comment! {
+            concat!("
+Reverses the byte order of the integer.
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $swap_op, stringify!($SelfT), ";
+let m = n.swap_bytes();
+
+assert_eq!(m, ", $swapped, ");
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn swap_bytes(self) -> Self {
+                intrinsics::bswap(self as $ActualT) as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Reverses the bit pattern of the integer.
+
+# Examples
+
+Basic usage:
+
+```
+let n = ", $swap_op, stringify!($SelfT), ";
+let m = n.reverse_bits();
+
+assert_eq!(m, ", $reversed, ");
+```"),
+            #[stable(feature = "reverse_bits", since = "1.37.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            #[must_use]
+            pub const fn reverse_bits(self) -> Self {
+                intrinsics::bitreverse(self as $ActualT) as Self
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts an integer from big endian to the target's endianness.
+
+On big endian this is a no-op. On little endian the bytes are
+swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"big\") {
+    assert_eq!(", stringify!($SelfT), "::from_be(n), n)
+} else {
+    assert_eq!(", stringify!($SelfT), "::from_be(n), n.swap_bytes())
+}", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn from_be(x: Self) -> Self {
+                #[cfg(target_endian = "big")]
+                {
+                    x
+                }
+                #[cfg(not(target_endian = "big"))]
+                {
+                    x.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts an integer from little endian to the target's endianness.
+
+On little endian this is a no-op. On big endian the bytes are
+swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"little\") {
+    assert_eq!(", stringify!($SelfT), "::from_le(n), n)
+} else {
+    assert_eq!(", stringify!($SelfT), "::from_le(n), n.swap_bytes())
+}", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn from_le(x: Self) -> Self {
+                #[cfg(target_endian = "little")]
+                {
+                    x
+                }
+                #[cfg(not(target_endian = "little"))]
+                {
+                    x.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts `self` to big endian from the target's endianness.
+
+On big endian this is a no-op. On little endian the bytes are
+swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"big\") {
+    assert_eq!(n.to_be(), n)
+} else {
+    assert_eq!(n.to_be(), n.swap_bytes())
+}", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn to_be(self) -> Self { // or not to be?
+                #[cfg(target_endian = "big")]
+                {
+                    self
+                }
+                #[cfg(not(target_endian = "big"))]
+                {
+                    self.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Converts `self` to little endian from the target's endianness.
+
+On little endian this is a no-op. On big endian the bytes are
+swapped.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "let n = 0x1A", stringify!($SelfT), ";
+
+if cfg!(target_endian = \"little\") {
+    assert_eq!(n.to_le(), n)
+} else {
+    assert_eq!(n.to_le(), n.swap_bytes())
+}", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
+            #[inline]
+            pub const fn to_le(self) -> Self {
+                #[cfg(target_endian = "little")]
+                {
+                    self
+                }
+                #[cfg(not(target_endian = "little"))]
+                {
+                    self.swap_bytes()
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer addition. Computes `self + rhs`, returning `None`
+if overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(1), ",
+"Some(", stringify!($SelfT), "::MAX - 1));
+assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_add(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_add(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer addition. Computes `self + rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self + rhs > ", stringify!($SelfT),
+"::MAX` or `self + rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_add(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_add`.
+                unsafe { intrinsics::unchecked_add(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer subtraction. Computes `self - rhs`, returning
+`None` if overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(1", stringify!($SelfT), ".checked_sub(1), Some(0));
+assert_eq!(0", stringify!($SelfT), ".checked_sub(1), None);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_sub(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_sub(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer subtraction. Computes `self - rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self - rhs > ", stringify!($SelfT),
+"::MAX` or `self - rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_sub(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_sub`.
+                unsafe { intrinsics::unchecked_sub(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer multiplication. Computes `self * rhs`, returning
+`None` if overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(5", stringify!($SelfT), ".checked_mul(1), Some(5));
+assert_eq!(", stringify!($SelfT), "::MAX.checked_mul(2), None);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_mul(self, rhs: Self) -> Option<Self> {
+                let (a, b) = self.overflowing_mul(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Unchecked integer multiplication. Computes `self * rhs`, assuming overflow
+cannot occur. This results in undefined behavior when `self * rhs > ", stringify!($SelfT),
+"::MAX` or `self * rhs < ", stringify!($SelfT), "::MIN`."),
+            #[unstable(
+                feature = "unchecked_math",
+                reason = "niche optimization path",
+                issue = "none",
+            )]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub unsafe fn unchecked_mul(self, rhs: Self) -> Self {
+                // SAFETY: the caller must uphold the safety contract for
+                // `unchecked_mul`.
+                unsafe { intrinsics::unchecked_mul(self, rhs) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked integer division. Computes `self / rhs`, returning `None`
+if `rhs == 0`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(128", stringify!($SelfT), ".checked_div(2), Some(64));
+assert_eq!(1", stringify!($SelfT), ".checked_div(0), None);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_div(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0) {
+                    None
+                } else {
+                    // SAFETY: div by zero has been checked above and unsigned types have no other
+                    // failure modes for division
+                    Some(unsafe { intrinsics::unchecked_div(self, rhs) })
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked Euclidean division. Computes `self.div_euclid(rhs)`, returning `None`
+if `rhs == 0`.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(128", stringify!($SelfT), ".checked_div_euclid(2), Some(64));
+assert_eq!(1", stringify!($SelfT), ".checked_div_euclid(0), None);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0) {
+                    None
+                } else {
+                    Some(self.div_euclid(rhs))
+                }
+            }
+        }
+
+
+        doc_comment! {
+            concat!("Checked integer remainder. Computes `self % rhs`, returning `None`
+if `rhs == 0`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(5", stringify!($SelfT), ".checked_rem(2), Some(1));
+assert_eq!(5", stringify!($SelfT), ".checked_rem(0), None);", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_checked_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_rem(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0) {
+                    None
+                } else {
+                    // SAFETY: div by zero has been checked above and unsigned types have no other
+                    // failure modes for division
+                    Some(unsafe { intrinsics::unchecked_rem(self, rhs) })
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked Euclidean modulo. Computes `self.rem_euclid(rhs)`, returning `None`
+if `rhs == 0`.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(2), Some(1));
+assert_eq!(5", stringify!($SelfT), ".checked_rem_euclid(0), None);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self> {
+                if unlikely!(rhs == 0) {
+                    None
+                } else {
+                    Some(self.rem_euclid(rhs))
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked negation. Computes `-self`, returning `None` unless `self ==
+0`.
+
+Note that negating any positive integer will overflow.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0", stringify!($SelfT), ".checked_neg(), Some(0));
+assert_eq!(1", stringify!($SelfT), ".checked_neg(), None);", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn checked_neg(self) -> Option<Self> {
+                let (a, b) = self.overflowing_neg();
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked shift left. Computes `self << rhs`, returning `None`
+if `rhs` is larger than or equal to the number of bits in `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".checked_shl(4), Some(0x10));
+assert_eq!(0x10", stringify!($SelfT), ".checked_shl(129), None);", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_shl(self, rhs: u32) -> Option<Self> {
+                let (a, b) = self.overflowing_shl(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked shift right. Computes `self >> rhs`, returning `None`
+if `rhs` is larger than or equal to the number of bits in `self`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".checked_shr(4), Some(0x1));
+assert_eq!(0x10", stringify!($SelfT), ".checked_shr(129), None);", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_shr(self, rhs: u32) -> Option<Self> {
+                let (a, b) = self.overflowing_shr(rhs);
+                if unlikely!(b) {None} else {Some(a)}
+            }
+        }
+
+        doc_comment! {
+            concat!("Checked exponentiation. Computes `self.pow(exp)`, returning `None` if
+overflow occurred.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(2", stringify!($SelfT), ".checked_pow(5), Some(32));
+assert_eq!(", stringify!($SelfT), "::MAX.checked_pow(2), None);", $EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn checked_pow(self, mut exp: u32) -> Option<Self> {
+                if exp == 0 {
+                    return Some(1);
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        acc = try_opt!(acc.checked_mul(base));
+                    }
+                    exp /= 2;
+                    base = try_opt!(base.checked_mul(base));
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+
+                Some(try_opt!(acc.checked_mul(base)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer addition. Computes `self + rhs`, saturating at
+the numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_add(1), 101);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(127), ", stringify!($SelfT), "::MAX);",
+$EndFeature, "
+```"),
+
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn saturating_add(self, rhs: Self) -> Self {
+                intrinsics::saturating_add(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer subtraction. Computes `self - rhs`, saturating
+at the numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".saturating_sub(27), 73);
+assert_eq!(13", stringify!($SelfT), ".saturating_sub(127), 0);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[inline]
+            pub const fn saturating_sub(self, rhs: Self) -> Self {
+                intrinsics::saturating_sub(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer multiplication. Computes `self * rhs`,
+saturating at the numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(2", stringify!($SelfT), ".saturating_mul(10), 20);
+assert_eq!((", stringify!($SelfT), "::MAX).saturating_mul(10), ", stringify!($SelfT),
+"::MAX);", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_mul(self, rhs: Self) -> Self {
+                match self.checked_mul(rhs) {
+                    Some(x) => x,
+                    None => Self::MAX,
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Saturating integer exponentiation. Computes `self.pow(exp)`,
+saturating at the numeric bounds instead of overflowing.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "
+assert_eq!(4", stringify!($SelfT), ".saturating_pow(3), 64);
+assert_eq!(", stringify!($SelfT), "::MAX.saturating_pow(2), ", stringify!($SelfT), "::MAX);",
+$EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn saturating_pow(self, exp: u32) -> Self {
+                match self.checked_pow(exp) {
+                    Some(x) => x,
+                    None => Self::MAX,
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) addition. Computes `self + rhs`,
+wrapping around at the boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(200", stringify!($SelfT), ".wrapping_add(55), 255);
+assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_add(self, rhs: Self) -> Self {
+                intrinsics::wrapping_add(self, rhs)
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) subtraction. Computes `self - rhs`,
+wrapping around at the boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_sub(100), 0);
+assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);",
+$EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_sub(self, rhs: Self) -> Self {
+                intrinsics::wrapping_sub(self, rhs)
+            }
+        }
+
+        /// Wrapping (modular) multiplication. Computes `self *
+        /// rhs`, wrapping around at the boundary of the type.
+        ///
+        /// # Examples
+        ///
+        /// Basic usage:
+        ///
+        /// Please note that this example is shared between integer types.
+        /// Which explains why `u8` is used here.
+        ///
+        /// ```
+        /// assert_eq!(10u8.wrapping_mul(12), 120);
+        /// assert_eq!(25u8.wrapping_mul(12), 44);
+        /// ```
+        #[stable(feature = "rust1", since = "1.0.0")]
+        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+        #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+        #[inline]
+        pub const fn wrapping_mul(self, rhs: Self) -> Self {
+            intrinsics::wrapping_mul(self, rhs)
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) division. Computes `self / rhs`.
+Wrapped division on unsigned types is just normal division.
+There's no way wrapping could ever happen.
+This function exists, so that all operations
+are accounted for in the wrapping operations.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_div(10), 10);", $EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_div(self, rhs: Self) -> Self {
+                self / rhs
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping Euclidean division. Computes `self.div_euclid(rhs)`.
+Wrapped division on unsigned types is just normal division.
+There's no way wrapping could ever happen.
+This function exists, so that all operations
+are accounted for in the wrapping operations.
+Since, for the positive integers, all common
+definitions of division are equal, this
+is exactly equal to `self.wrapping_div(rhs)`.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(100", stringify!($SelfT), ".wrapping_div_euclid(10), 10);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_div_euclid(self, rhs: Self) -> Self {
+                self / rhs
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) remainder. Computes `self % rhs`.
+Wrapped remainder calculation on unsigned types is
+just the regular remainder calculation.
+There's no way wrapping could ever happen.
+This function exists, so that all operations
+are accounted for in the wrapping operations.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(100", stringify!($SelfT), ".wrapping_rem(10), 0);", $EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_unstable(feature = "const_wrapping_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_rem(self, rhs: Self) -> Self {
+                self % rhs
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping Euclidean modulo. Computes `self.rem_euclid(rhs)`.
+Wrapped modulo calculation on unsigned types is
+just the regular remainder calculation.
+There's no way wrapping could ever happen.
+This function exists, so that all operations
+are accounted for in the wrapping operations.
+Since, for the positive integers, all common
+definitions of division are equal, this
+is exactly equal to `self.wrapping_rem(rhs)`.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(100", stringify!($SelfT), ".wrapping_rem_euclid(10), 0);
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self {
+                self % rhs
+            }
+        }
+
+        /// Wrapping (modular) negation. Computes `-self`,
+        /// wrapping around at the boundary of the type.
+        ///
+        /// Since unsigned types do not have negative equivalents
+        /// all applications of this function will wrap (except for `-0`).
+        /// For values smaller than the corresponding signed type's maximum
+        /// the result is the same as casting the corresponding signed value.
+        /// Any larger values are equivalent to `MAX + 1 - (val - MAX - 1)` where
+        /// `MAX` is the corresponding signed type's maximum.
+        ///
+        /// # Examples
+        ///
+        /// Basic usage:
+        ///
+        /// Please note that this example is shared between integer types.
+        /// Which explains why `i8` is used here.
+        ///
+        /// ```
+        /// assert_eq!(100i8.wrapping_neg(), -100);
+        /// assert_eq!((-128i8).wrapping_neg(), -128);
+        /// ```
+        #[stable(feature = "num_wrapping", since = "1.2.0")]
+        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+        #[inline]
+        pub const fn wrapping_neg(self) -> Self {
+            self.overflowing_neg().0
+        }
+
+        doc_comment! {
+            concat!("Panic-free bitwise shift-left; yields `self << mask(rhs)`,
+where `mask` removes any high-order bits of `rhs` that
+would cause the shift to exceed the bitwidth of the type.
+
+Note that this is *not* the same as a rotate-left; the
+RHS of a wrapping shift-left is restricted to the range
+of the type, rather than the bits shifted out of the LHS
+being returned to the other end. The primitive integer
+types all implement a [`rotate_left`](#method.rotate_left) function,
+which may be what you want instead.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(1", stringify!($SelfT), ".wrapping_shl(7), 128);
+assert_eq!(1", stringify!($SelfT), ".wrapping_shl(128), 1);", $EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_shl(self, rhs: u32) -> Self {
+                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
+                // out of bounds
+                unsafe {
+                    intrinsics::unchecked_shl(self, (rhs & ($BITS - 1)) as $SelfT)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Panic-free bitwise shift-right; yields `self >> mask(rhs)`,
+where `mask` removes any high-order bits of `rhs` that
+would cause the shift to exceed the bitwidth of the type.
+
+Note that this is *not* the same as a rotate-right; the
+RHS of a wrapping shift-right is restricted to the range
+of the type, rather than the bits shifted out of the LHS
+being returned to the other end. The primitive integer
+types all implement a [`rotate_right`](#method.rotate_right) function,
+which may be what you want instead.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(128", stringify!($SelfT), ".wrapping_shr(7), 1);
+assert_eq!(128", stringify!($SelfT), ".wrapping_shr(128), 128);", $EndFeature, "
+```"),
+            #[stable(feature = "num_wrapping", since = "1.2.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_shr(self, rhs: u32) -> Self {
+                // SAFETY: the masking by the bitsize of the type ensures that we do not shift
+                // out of bounds
+                unsafe {
+                    intrinsics::unchecked_shr(self, (rhs & ($BITS - 1)) as $SelfT)
+                }
+            }
+        }
+
+        doc_comment! {
+            concat!("Wrapping (modular) exponentiation. Computes `self.pow(exp)`,
+wrapping around at the boundary of the type.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(3", stringify!($SelfT), ".wrapping_pow(5), 243);
+assert_eq!(3u8.wrapping_pow(6), 217);", $EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn wrapping_pow(self, mut exp: u32) -> Self {
+                if exp == 0 {
+                    return 1;
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        acc = acc.wrapping_mul(base);
+                    }
+                    exp /= 2;
+                    base = base.wrapping_mul(base);
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                acc.wrapping_mul(base)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates `self` + `rhs`
+
+Returns a tuple of the addition along with a boolean indicating
+whether an arithmetic overflow would occur. If an overflow would
+have occurred then the wrapped value is returned.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_add(2), (7, false));
+assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (0, true));", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
+                let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
+                (a as Self, b)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates `self` - `rhs`
+
+Returns a tuple of the subtraction along with a boolean indicating
+whether an arithmetic overflow would occur. If an overflow would
+have occurred then the wrapped value is returned.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "
+assert_eq!(5", stringify!($SelfT), ".overflowing_sub(2), (3, false));
+assert_eq!(0", stringify!($SelfT), ".overflowing_sub(1), (", stringify!($SelfT), "::MAX, true));",
+$EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
+                let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
+                (a as Self, b)
+            }
+        }
+
+        /// Calculates the multiplication of `self` and `rhs`.
+        ///
+        /// Returns a tuple of the multiplication along with a boolean
+        /// indicating whether an arithmetic overflow would occur. If an
+        /// overflow would have occurred then the wrapped value is returned.
+        ///
+        /// # Examples
+        ///
+        /// Basic usage:
+        ///
+        /// Please note that this example is shared between integer types.
+        /// Which explains why `u32` is used here.
+        ///
+        /// ```
+        /// assert_eq!(5u32.overflowing_mul(2), (10, false));
+        /// assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true));
+        /// ```
+        #[stable(feature = "wrapping", since = "1.7.0")]
+        #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+        #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+        #[inline]
+        pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
+            let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
+            (a as Self, b)
+        }
+
+        doc_comment! {
+            concat!("Calculates the divisor when `self` is divided by `rhs`.
+
+Returns a tuple of the divisor along with a boolean indicating
+whether an arithmetic overflow would occur. Note that for unsigned
+integers overflow never occurs, so the second value is always
+`false`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_div(2), (2, false));", $EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_div(self, rhs: Self) -> (Self, bool) {
+                (self / rhs, false)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the quotient of Euclidean division `self.div_euclid(rhs)`.
+
+Returns a tuple of the divisor along with a boolean indicating
+whether an arithmetic overflow would occur. Note that for unsigned
+integers overflow never occurs, so the second value is always
+`false`.
+Since, for the positive integers, all common
+definitions of division are equal, this
+is exactly equal to `self.overflowing_div(rhs)`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage
+
+```
+assert_eq!(5", stringify!($SelfT), ".overflowing_div_euclid(2), (2, false));
+```"),
+            #[inline]
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool) {
+                (self / rhs, false)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the remainder when `self` is divided by `rhs`.
+
+Returns a tuple of the remainder after dividing along with a boolean
+indicating whether an arithmetic overflow would occur. Note that for
+unsigned integers overflow never occurs, so the second value is
+always `false`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "assert_eq!(5", stringify!($SelfT), ".overflowing_rem(2), (1, false));", $EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_unstable(feature = "const_overflowing_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool) {
+                (self % rhs, false)
+            }
+        }
+
+        doc_comment! {
+            concat!("Calculates the remainder `self.rem_euclid(rhs)` as if by Euclidean division.
+
+Returns a tuple of the modulo after dividing along with a boolean
+indicating whether an arithmetic overflow would occur. Note that for
+unsigned integers overflow never occurs, so the second value is
+always `false`.
+Since, for the positive integers, all common
+definitions of division are equal, this operation
+is exactly equal to `self.overflowing_rem(rhs)`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage
+
+```
+assert_eq!(5", stringify!($SelfT), ".overflowing_rem_euclid(2), (1, false));
+```"),
+            #[inline]
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool) {
+                (self % rhs, false)
+            }
+        }
+
+        doc_comment! {
+            concat!("Negates self in an overflowing fashion.
+
+Returns `!self + 1` using wrapping operations to return the value
+that represents the negation of this unsigned value. Note that for
+positive unsigned values overflow always occurs, but negating 0 does
+not overflow.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "assert_eq!(0", stringify!($SelfT), ".overflowing_neg(), (0, false));
+assert_eq!(2", stringify!($SelfT), ".overflowing_neg(), (-2i32 as ", stringify!($SelfT),
+", true));", $EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            pub const fn overflowing_neg(self) -> (Self, bool) {
+                ((!self).wrapping_add(1), self != 0)
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts self left by `rhs` bits.
+
+Returns a tuple of the shifted version of self along with a boolean
+indicating whether the shift value was larger than or equal to the
+number of bits. If the shift value is too large, then value is
+masked (N-1) where N is the number of bits, and this value is then
+used to perform the shift.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "assert_eq!(0x1", stringify!($SelfT), ".overflowing_shl(4), (0x10, false));
+assert_eq!(0x1", stringify!($SelfT), ".overflowing_shl(132), (0x10, true));", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_shl(self, rhs: u32) -> (Self, bool) {
+                (self.wrapping_shl(rhs), (rhs > ($BITS - 1)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Shifts self right by `rhs` bits.
+
+Returns a tuple of the shifted version of self along with a boolean
+indicating whether the shift value was larger than or equal to the
+number of bits. If the shift value is too large, then value is
+masked (N-1) where N is the number of bits, and this value is then
+used to perform the shift.
+
+# Examples
+
+Basic usage
+
+```
+", $Feature, "assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(4), (0x1, false));
+assert_eq!(0x10", stringify!($SelfT), ".overflowing_shr(132), (0x1, true));", $EndFeature, "
+```"),
+            #[stable(feature = "wrapping", since = "1.7.0")]
+            #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_shr(self, rhs: u32) -> (Self, bool) {
+                (self.wrapping_shr(rhs), (rhs > ($BITS - 1)))
+            }
+        }
+
+        doc_comment! {
+            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
+
+Returns a tuple of the exponentiation along with a bool indicating
+whether an overflow happened.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(3", stringify!($SelfT), ".overflowing_pow(5), (243, false));
+assert_eq!(3u8.overflowing_pow(6), (217, true));", $EndFeature, "
+```"),
+            #[stable(feature = "no_panic_pow", since = "1.34.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            pub const fn overflowing_pow(self, mut exp: u32) -> (Self, bool) {
+                if exp == 0{
+                    return (1,false);
+                }
+                let mut base = self;
+                let mut acc: Self = 1;
+                let mut overflown = false;
+                // Scratch space for storing results of overflowing_mul.
+                let mut r;
+
+                while exp > 1 {
+                    if (exp & 1) == 1 {
+                        r = acc.overflowing_mul(base);
+                        acc = r.0;
+                        overflown |= r.1;
+                    }
+                    exp /= 2;
+                    r = base.overflowing_mul(base);
+                    base = r.0;
+                    overflown |= r.1;
+                }
+
+                // since exp!=0, finally the exp must be 1.
+                // Deal with the final bit of the exponent separately, since
+                // squaring the base afterwards is not necessary and may cause a
+                // needless overflow.
+                r = acc.overflowing_mul(base);
+                r.1 |= overflown;
+
+                r
+            }
+        }
+
+        doc_comment! {
+            concat!("Raises self to the power of `exp`, using exponentiation by squaring.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(2", stringify!($SelfT), ".pow(5), 32);", $EndFeature, "
+```"),
+        #[stable(feature = "rust1", since = "1.0.0")]
+        #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+        #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+        #[inline]
+        #[rustc_inherit_overflow_checks]
+        pub const fn pow(self, mut exp: u32) -> Self {
+            if exp == 0 {
+                return 1;
+            }
+            let mut base = self;
+            let mut acc = 1;
+
+            while exp > 1 {
+                if (exp & 1) == 1 {
+                    acc = acc * base;
+                }
+                exp /= 2;
+                base = base * base;
+            }
+
+            // since exp!=0, finally the exp must be 1.
+            // Deal with the final bit of the exponent separately, since
+            // squaring the base afterwards is not necessary and may cause a
+            // needless overflow.
+            acc * base
+        }
+    }
+
+        doc_comment! {
+            concat!("Performs Euclidean division.
+
+Since, for the positive integers, all common
+definitions of division are equal, this
+is exactly equal to `self / rhs`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(7", stringify!($SelfT), ".div_euclid(4), 1); // or any other integer type
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn div_euclid(self, rhs: Self) -> Self {
+                self / rhs
+            }
+        }
+
+
+        doc_comment! {
+            concat!("Calculates the least remainder of `self (mod rhs)`.
+
+Since, for the positive integers, all common
+definitions of division are equal, this
+is exactly equal to `self % rhs`.
+
+# Panics
+
+This function will panic if `rhs` is 0.
+
+# Examples
+
+Basic usage:
+
+```
+assert_eq!(7", stringify!($SelfT), ".rem_euclid(4), 3); // or any other integer type
+```"),
+            #[stable(feature = "euclidean_division", since = "1.38.0")]
+            #[rustc_const_unstable(feature = "const_euclidean_int_methods", issue = "53718")]
+            #[must_use = "this returns the result of the operation, \
+                          without modifying the original"]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn rem_euclid(self, rhs: Self) -> Self {
+                self % rhs
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns `true` if and only if `self == 2^k` for some `k`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert!(16", stringify!($SelfT), ".is_power_of_two());
+assert!(!10", stringify!($SelfT), ".is_power_of_two());", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_stable(feature = "const_is_power_of_two", since = "1.32.0")]
+            #[inline]
+            pub const fn is_power_of_two(self) -> bool {
+                self.count_ones() == 1
+            }
+        }
+
+        // Returns one less than next power of two.
+        // (For 8u8 next power of two is 8u8 and for 6u8 it is 8u8)
+        //
+        // 8u8.one_less_than_next_power_of_two() == 7
+        // 6u8.one_less_than_next_power_of_two() == 7
+        //
+        // This method cannot overflow, as in the `next_power_of_two`
+        // overflow cases it instead ends up returning the maximum value
+        // of the type, and can return 0 for 0.
+        #[inline]
+        #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+        const fn one_less_than_next_power_of_two(self) -> Self {
+            if self <= 1 { return 0; }
+
+            let p = self - 1;
+            // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros.
+            // That means the shift is always in-bounds, and some processors
+            // (such as intel pre-haswell) have more efficient ctlz
+            // intrinsics when the argument is non-zero.
+            let z = unsafe { intrinsics::ctlz_nonzero(p) };
+            <$SelfT>::MAX >> z
+        }
+
+        doc_comment! {
+            concat!("Returns the smallest power of two greater than or equal to `self`.
+
+When return value overflows (i.e., `self > (1 << (N-1))` for type
+`uN`), it panics in debug mode and return value is wrapped to 0 in
+release mode (the only situation in which method can return 0).
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(2", stringify!($SelfT), ".next_power_of_two(), 2);
+assert_eq!(3", stringify!($SelfT), ".next_power_of_two(), 4);", $EndFeature, "
+```"),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            #[inline]
+            #[rustc_inherit_overflow_checks]
+            pub const fn next_power_of_two(self) -> Self {
+                self.one_less_than_next_power_of_two() + 1
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the smallest power of two greater than or equal to `n`. If
+the next power of two is greater than the type's maximum value,
+`None` is returned, otherwise the power of two is wrapped in `Some`.
+
+# Examples
+
+Basic usage:
+
+```
+", $Feature, "assert_eq!(2", stringify!($SelfT),
+".checked_next_power_of_two(), Some(2));
+assert_eq!(3", stringify!($SelfT), ".checked_next_power_of_two(), Some(4));
+assert_eq!(", stringify!($SelfT), "::MAX.checked_next_power_of_two(), None);",
+$EndFeature, "
+```"),
+            #[inline]
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            pub const fn checked_next_power_of_two(self) -> Option<Self> {
+                self.one_less_than_next_power_of_two().checked_add(1)
+            }
+        }
+
+        doc_comment! {
+            concat!("Returns the smallest power of two greater than or equal to `n`. If
+the next power of two is greater than the type's maximum value,
+the return value is wrapped to `0`.
+
+# Examples
+
+Basic usage:
+
+```
+#![feature(wrapping_next_power_of_two)]
+", $Feature, "
+assert_eq!(2", stringify!($SelfT), ".wrapping_next_power_of_two(), 2);
+assert_eq!(3", stringify!($SelfT), ".wrapping_next_power_of_two(), 4);
+assert_eq!(", stringify!($SelfT), "::MAX.wrapping_next_power_of_two(), 0);",
+$EndFeature, "
+```"),
+            #[unstable(feature = "wrapping_next_power_of_two", issue = "32463",
+                       reason = "needs decision on wrapping behaviour")]
+            #[rustc_const_unstable(feature = "const_int_pow", issue = "53718")]
+            pub const fn wrapping_next_power_of_two(self) -> Self {
+                self.one_less_than_next_power_of_two().wrapping_add(1)
+            }
+        }
+
+        doc_comment! {
+            concat!("Return the memory representation of this integer as a byte array in
+big-endian (network) byte order.
+",
+$to_xe_bytes_doc,
+"
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
+assert_eq!(bytes, ", $be_bytes, ");
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                self.to_be().to_ne_bytes()
+            }
+        }
+
+        doc_comment! {
+            concat!("Return the memory representation of this integer as a byte array in
+little-endian byte order.
+",
+$to_xe_bytes_doc,
+"
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
+assert_eq!(bytes, ", $le_bytes, ");
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                self.to_le().to_ne_bytes()
+            }
+        }
+
+        doc_comment! {
+            concat!("
+Return the memory representation of this integer as a byte array in
+native byte order.
+
+As the target platform's native endianness is used, portable code
+should use [`to_be_bytes`] or [`to_le_bytes`], as appropriate,
+instead.
+",
+$to_xe_bytes_doc,
+"
+[`to_be_bytes`]: #method.to_be_bytes
+[`to_le_bytes`]: #method.to_le_bytes
+
+# Examples
+
+```
+let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
+assert_eq!(
+    bytes,
+    if cfg!(target_endian = \"big\") {
+        ", $be_bytes, "
+    } else {
+        ", $le_bytes, "
+    }
+);
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            // SAFETY: const sound because integers are plain old datatypes so we can always
+            // transmute them to arrays of bytes
+            #[allow_internal_unstable(const_fn_transmute)]
+            #[inline]
+            pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
+                // SAFETY: integers are plain old datatypes so we can always transmute them to
+                // arrays of bytes
+                unsafe { mem::transmute(self) }
+            }
+        }
+
+        doc_comment! {
+            concat!("Create a native endian integer value from its representation
+as a byte array in big endian.
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_be_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_be_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                Self::from_be(Self::from_ne_bytes(bytes))
+            }
+        }
+
+        doc_comment! {
+            concat!("
+Create a native endian integer value from its representation
+as a byte array in little endian.
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_le_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_le_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            #[inline]
+            pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                Self::from_le(Self::from_ne_bytes(bytes))
+            }
+        }
+
+        doc_comment! {
+            concat!("Create a native endian integer value from its memory representation
+as a byte array in native endianness.
+
+As the target platform's native endianness is used, portable code
+likely wants to use [`from_be_bytes`] or [`from_le_bytes`], as
+appropriate instead.
+
+[`from_be_bytes`]: #method.from_be_bytes
+[`from_le_bytes`]: #method.from_le_bytes
+",
+$from_xe_bytes_doc,
+"
+# Examples
+
+```
+let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
+    ", $be_bytes, "
+} else {
+    ", $le_bytes, "
+});
+assert_eq!(value, ", $swap_op, ");
+```
+
+When starting from a slice rather than an array, fallible conversion APIs can be used:
+
+```
+use std::convert::TryInto;
+
+fn read_ne_", stringify!($SelfT), "(input: &mut &[u8]) -> ", stringify!($SelfT), " {
+    let (int_bytes, rest) = input.split_at(std::mem::size_of::<", stringify!($SelfT), ">());
+    *input = rest;
+    ", stringify!($SelfT), "::from_ne_bytes(int_bytes.try_into().unwrap())
+}
+```"),
+            #[stable(feature = "int_to_from_bytes", since = "1.32.0")]
+            #[rustc_const_stable(feature = "const_int_conversion", since = "1.44.0")]
+            // SAFETY: const sound because integers are plain old datatypes so we can always
+            // transmute to them
+            #[allow_internal_unstable(const_fn_transmute)]
+            #[inline]
+            pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
+                // SAFETY: integers are plain old datatypes so we can always transmute to them
+                unsafe { mem::transmute(bytes) }
+            }
+        }
+
+        doc_comment! {
+            concat!("**This method is soft-deprecated.**
+
+Although using it won’t cause compilation warning,
+new code should use [`", stringify!($SelfT), "::MIN", "`](#associatedconstant.MIN) instead.
+
+Returns the smallest value that can be represented by this integer type."),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_promotable]
+            #[inline(always)]
+            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
+            pub const fn min_value() -> Self { Self::MIN }
+        }
+
+        doc_comment! {
+            concat!("**This method is soft-deprecated.**
+
+Although using it won’t cause compilation warning,
+new code should use [`", stringify!($SelfT), "::MAX", "`](#associatedconstant.MAX) instead.
+
+Returns the largest value that can be represented by this integer type."),
+            #[stable(feature = "rust1", since = "1.0.0")]
+            #[rustc_promotable]
+            #[inline(always)]
+            #[rustc_const_stable(feature = "const_max_value", since = "1.32.0")]
+            pub const fn max_value() -> Self { Self::MAX }
+        }
+    }
+}