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Auto merge of rust-lang#98307 - matthiaskrgr:rollup-rb3huha, r=matthi…
…askrgr Rollup of 4 pull requests Successful merges: - rust-lang#98235 (Drop magic value 3 from code) - rust-lang#98267 (Don't omit comma when suggesting wildcard arm after macro expr) - rust-lang#98276 (Mention formatting macros when encountering `ArgumentV1` method in const) - rust-lang#98296 (Add a link to the unstable book page on Generator doc comment) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,21 @@ | ||
const fn failure() { | ||
panic!("{:?}", 0); | ||
//~^ ERROR cannot call non-const formatting macro in constant functions | ||
//~| ERROR erroneous constant used | ||
//~| ERROR erroneous constant used | ||
//~| WARN this was previously accepted by the compiler | ||
//~| WARN this was previously accepted by the compiler | ||
} | ||
|
||
const fn print() { | ||
println!("{:?}", 0); | ||
//~^ ERROR cannot call non-const formatting macro in constant functions | ||
//~| ERROR `Arguments::<'a>::new_v1` is not yet stable as a const fn | ||
//~| ERROR cannot call non-const fn `_print` in constant functions | ||
//~| ERROR erroneous constant used | ||
//~| ERROR erroneous constant used | ||
//~| WARN this was previously accepted by the compiler | ||
//~| WARN this was previously accepted by the compiler | ||
} | ||
|
||
fn main() {} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,78 @@ | ||
error[E0015]: cannot call non-const formatting macro in constant functions | ||
--> $DIR/format.rs:2:20 | ||
| | ||
LL | panic!("{:?}", 0); | ||
| ^ | ||
| | ||
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | ||
= note: this error originates in the macro `$crate::const_format_args` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error[E0015]: cannot call non-const formatting macro in constant functions | ||
--> $DIR/format.rs:11:22 | ||
| | ||
LL | println!("{:?}", 0); | ||
| ^ | ||
| | ||
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | ||
= note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error: `Arguments::<'a>::new_v1` is not yet stable as a const fn | ||
--> $DIR/format.rs:11:5 | ||
| | ||
LL | println!("{:?}", 0); | ||
| ^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= help: add `#![feature(const_fmt_arguments_new)]` to the crate attributes to enable | ||
= note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error[E0015]: cannot call non-const fn `_print` in constant functions | ||
--> $DIR/format.rs:11:5 | ||
| | ||
LL | println!("{:?}", 0); | ||
| ^^^^^^^^^^^^^^^^^^^ | ||
| | ||
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants | ||
= note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error: erroneous constant used | ||
--> $DIR/format.rs:2:12 | ||
| | ||
LL | panic!("{:?}", 0); | ||
| ^^^^^^ referenced constant has errors | ||
| | ||
= note: `#[deny(const_err)]` on by default | ||
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | ||
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | ||
|
||
error: erroneous constant used | ||
--> $DIR/format.rs:2:20 | ||
| | ||
LL | panic!("{:?}", 0); | ||
| ^ referenced constant has errors | ||
| | ||
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | ||
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | ||
= note: this error originates in the macro `$crate::const_format_args` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error: erroneous constant used | ||
--> $DIR/format.rs:11:14 | ||
| | ||
LL | println!("{:?}", 0); | ||
| ^^^^^^ referenced constant has errors | ||
| | ||
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | ||
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | ||
|
||
error: erroneous constant used | ||
--> $DIR/format.rs:11:22 | ||
| | ||
LL | println!("{:?}", 0); | ||
| ^ referenced constant has errors | ||
| | ||
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! | ||
= note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> | ||
= note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) | ||
|
||
error: aborting due to 8 previous errors | ||
|
||
For more information about this error, try `rustc --explain E0015`. |
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