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Stabilize 5 const_mut_refs-dependent API #131177

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merged 5 commits into from
Oct 5, 2024
Merged

Stabilize 5 const_mut_refs-dependent API #131177

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a022868
library: Stabilize `const_str_from_utf8_unchecked_mut`
workingjubilee Sep 27, 2024
bcc78bd
library: Stabilize `const_str_as_mut`
workingjubilee Sep 27, 2024
966405d
library: Stabilize `const_ptr_as_ref`
workingjubilee Sep 27, 2024
75db6b2
library: Stabilize `const_unsafecell_get_mut`
workingjubilee Sep 27, 2024
ac53f1f
library: Stabilize `const_slice_first_last`
workingjubilee Sep 27, 2024
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library: Stabilize const_slice_first_last 
Const-stabilizes:
- `slice::first_mut`
- `slice::split_first_mut`
- `slice::last_mut`
- `slice::split_last_mut`
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@workingjubilee
workingjubilee committed Oct 2, 2024
commit ac53f1f242433b9cc5c440e85aa40468f9ca256a
12 changes: 8 additions & 4 deletions library/core/src/slice/mod.rs
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Expand Up @@ -172,7 +172,8 @@ impl<T> [T] {
/// assert_eq!(None, y.first_mut());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_stable(feature = "const_slice_first_last", since = "CURRENT_RUSTC_VERSION")]
#[inline]
#[must_use]
pub const fn first_mut(&mut self) -> Option<&mut T> {
Expand Down Expand Up @@ -214,7 +215,8 @@ impl<T> [T] {
/// assert_eq!(x, &[3, 4, 5]);
/// ```
#[stable(feature = "slice_splits", since = "1.5.0")]
#[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_stable(feature = "const_slice_first_last", since = "CURRENT_RUSTC_VERSION")]
#[inline]
#[must_use]
pub const fn split_first_mut(&mut self) -> Option<(&mut T, &mut [T])> {
Expand Down Expand Up @@ -256,7 +258,8 @@ impl<T> [T] {
/// assert_eq!(x, &[4, 5, 3]);
/// ```
#[stable(feature = "slice_splits", since = "1.5.0")]
#[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_stable(feature = "const_slice_first_last", since = "CURRENT_RUSTC_VERSION")]
#[inline]
#[must_use]
pub const fn split_last_mut(&mut self) -> Option<(&mut T, &mut [T])> {
Expand Down Expand Up @@ -298,7 +301,8 @@ impl<T> [T] {
/// assert_eq!(None, y.last_mut());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_stable(feature = "const_slice_first_last", since = "CURRENT_RUSTC_VERSION")]
#[inline]
#[must_use]
pub const fn last_mut(&mut self) -> Option<&mut T> {
Expand Down
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