Make ~fn non-copyable, make &fn copyable, split barefn/closure types,

correct handling of moves for struct-record update.

Part of #3678.  Fixes #2828, #3904, #4719.

src/compiletest/compiletest.rc

@@ -159,7 +159,7 @@ pub fn test_opts(config: config) -> test::TestOpts {
     }
 }
 
-pub fn make_tests(config: config) -> ~[test::TestDesc] {
+pub fn make_tests(config: config) -> ~[test::TestDescAndFn] {
     debug!("making tests from %s",
            config.src_base.to_str());
     let mut tests = ~[];
@@ -196,13 +196,14 @@ pub fn is_test(config: config, testfile: &Path) -> bool {
     return valid;
 }
 
-pub fn make_test(config: config, testfile: &Path) ->
-   test::TestDesc {
-    test::TestDesc {
-        name: make_test_name(config, testfile),
+pub fn make_test(config: config, testfile: &Path) -> test::TestDescAndFn {
+    test::TestDescAndFn {
+        desc: test::TestDesc {
+            name: make_test_name(config, testfile),
+            ignore: header::is_test_ignored(config, testfile),
+            should_fail: false
+        },
         testfn: make_test_closure(config, testfile),
-        ignore: header::is_test_ignored(config, testfile),
-        should_fail: false
     }
 }
 

src/libcore/at_vec.rs

@@ -10,10 +10,6 @@
 
 //! Managed vectors
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cast::transmute;
 use kinds::Copy;
 use iter;

src/libcore/bool.rs

@@ -9,10 +9,6 @@
 // except according to those terms.
 
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 //! Boolean logic
 
 use bool;

src/libcore/cast.rs

@@ -8,9 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Unsafe operations
-#[forbid(deprecated_mode)]
-
 #[abi = "rust-intrinsic"]
 extern mod rusti {
     fn forget<T>(-x: T);

src/libcore/char.rs

@@ -10,10 +10,6 @@
 
 //! Utilities for manipulating the char type
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use char;
 use cmp::Eq;
 use option::{None, Option, Some};

src/libcore/cleanup.rs

@@ -10,10 +10,6 @@
 
 #[doc(hidden)];
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use libc::{c_char, c_void, intptr_t, uintptr_t};
 use ptr::{mut_null, null, to_unsafe_ptr};
 use repr::BoxRepr;

src/libcore/cmp.rs

@@ -20,10 +20,6 @@ and `Eq` to overload the `==` and `!=` operators.
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 /**
 * Trait for values that can be compared for equality
 * and inequality.

src/libcore/container.rs

@@ -10,9 +10,6 @@
 
 //! Container traits
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use option::Option;
 
 pub trait Container {

src/libcore/core.rc

@@ -48,8 +48,6 @@ Implicitly, all crates behave as if they included the following prologue:
 // Don't link to core. We are core.
 #[no_core];
 
-#[warn(deprecated_mode)];
-#[warn(deprecated_pattern)];
 #[warn(vecs_implicitly_copyable)];
 #[deny(non_camel_case_types)];
 #[allow(deprecated_self)];

src/libcore/dlist.rs

@@ -18,10 +18,6 @@ Do not use ==, !=, <, etc on doubly-linked lists -- it may not terminate.
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use kinds::Copy;
 use managed;
 use option::{None, Option, Some};

src/libcore/dvec.rs

@@ -19,10 +19,6 @@ Note that recursive use is not permitted.
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cast;
 use cast::reinterpret_cast;
 use prelude::*;

src/libcore/either.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 //! A type that represents one of two alternatives
 
 use cmp::Eq;

src/libcore/extfmt.rs

@@ -51,10 +51,6 @@
 //! * s - str (any flavor)
 //! * ? - arbitrary type (does not use the to_str trait)
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 // Transitional
 #[allow(structural_records)]; // Macros -- needs a snapshot
 

src/libcore/flate.rs

@@ -14,10 +14,6 @@ Simple compression
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use libc;
 use libc::{c_void, size_t, c_int};
 use ptr;

src/libcore/from_str.rs

@@ -10,10 +10,6 @@
 
 //! The trait for types that can be created from strings
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use option::Option;
 
 pub trait FromStr {

src/libcore/gc.rs

@@ -35,9 +35,6 @@ with destructors.
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
 // Transitional
 #[allow(structural_records)];
 

src/libcore/hash.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 /*!
  * Implementation of SipHash 2-4
  *

src/libcore/hashmap.rs

@@ -10,10 +10,6 @@
 
 //! Sendable hash maps.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use container::{Container, Mutable, Map, Set};
 use cmp::Eq;
 use hash::Hash;

src/libcore/io.rs

@@ -14,9 +14,6 @@ Basic input/output
 
 */
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use result::Result;
 
 use cmp::Eq;

src/libcore/iter-trait.rs

@@ -12,9 +12,6 @@
 // workaround our lack of traits and lack of macros.  See core.{rc,rs} for
 // how this file is used.
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cmp::{Eq, Ord};
 use iter::BaseIter;
 use iter;

src/libcore/iter.rs

@@ -14,9 +14,6 @@ The iteration traits and common implementation
 
 */
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cmp::{Eq, Ord};
 use kinds::Copy;
 use option::{None, Option, Some};

src/libcore/libc.rs

@@ -8,9 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
 /*!
 * Bindings for libc.
 *

src/libcore/logging.rs

@@ -10,10 +10,6 @@
 
 //! Logging
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cast::transmute;
 use io;
 use libc;

src/libcore/managed.rs

@@ -10,10 +10,6 @@
 
 //! Operations on managed box types
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cast::transmute;
 use cmp::{Eq, Ord};
 use managed::raw::BoxRepr;

src/libcore/mutable.rs

@@ -18,8 +18,6 @@ dynamic checks: your program will fail if you attempt to perform
 mutation when the data structure should be immutable.
 
 */
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
 
 use util::with;
 use cast::transmute_immut;

src/libcore/nil.rs

@@ -14,10 +14,6 @@ Functions for the unit type.
 
 */
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cmp::{Eq, Ord};
 
 #[cfg(notest)]

src/libcore/num/cmath.rs

@@ -9,9 +9,6 @@
 // except according to those terms.
 
 #[doc(hidden)]; // FIXME #3538
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
 
 use libc::c_int;
 use libc::c_float;

src/libcore/num/f32.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 //! Operations and constants for `f32`
 
 use cmath;

src/libcore/num/f64.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 //! Operations and constants for `f64`
 
 use cmath;

src/libcore/num/float.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 //! Operations and constants for `float`
 
 // Even though this module exports everything defined in it,

src/libcore/num/int-template.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use T = self::inst::T;
 
 use char;

src/libcore/num/uint-template.rs

@@ -8,10 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use T = self::inst::T;
 use T_SIGNED = self::inst::T_SIGNED;
 

src/libcore/ops.rs

@@ -10,9 +10,6 @@
 
 // Core operators
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 #[lang="drop"]
 pub trait Drop {
     fn finalize(&self);  // FIXME(#4332): Rename to "drop"? --pcwalton

src/libcore/option.rs

@@ -41,9 +41,6 @@ let unwrapped_msg = match move msg {
 
 */
 
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cmp::Eq;
 use kinds::Copy;
 use option;

src/libcore/os.rs

@@ -8,9 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
 #[allow(structural_records)];
 
 /*!

src/libcore/owned.rs

@@ -10,10 +10,6 @@
 
 //! Operations on unique pointer types
 
-// NB: transitionary, de-mode-ing.
-#[forbid(deprecated_mode)];
-#[forbid(deprecated_pattern)];
-
 use cmp::{Eq, Ord};
 
 #[cfg(notest)]