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Stabilize const_slice_split_at_mut and const_slice_first_last_chunk

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onestacked 2024-09-29 23:51:18 +02:00
parent d30c3924a4
commit d0e6758677
2 changed files with 14 additions and 8 deletions
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1
library/core/src/lib.rs
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@ -146,7 +146,6 @@
#![feature(const_size_of_val)] #![feature(const_size_of_val)]
#![feature(const_size_of_val_raw)] #![feature(const_size_of_val_raw)]
#![feature(const_slice_from_ref)] #![feature(const_slice_from_ref)]
#![feature(const_slice_split_at_mut)]
#![feature(const_strict_overflow_ops)] #![feature(const_strict_overflow_ops)]
#![feature(const_swap)] #![feature(const_swap)]
#![feature(const_try)] #![feature(const_try)]

21
library/core/src/slice/mod.rs
View File

@ -356,7 +356,8 @@ impl<T> [T] {
/// ``` /// ```
#[inline] #[inline]
#[stable(feature = "slice_first_last_chunk", since = "1.77.0")] #[stable(feature = "slice_first_last_chunk", since = "1.77.0")]
#[rustc_const_unstable(feature = "const_slice_first_last_chunk", issue = "111774")] #[rustc_const_stable(feature = "const_slice_first_last_chunk", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
pub const fn first_chunk_mut<const N: usize>(&mut self) -> Option<&mut [T; N]> { pub const fn first_chunk_mut<const N: usize>(&mut self) -> Option<&mut [T; N]> {
if self.len() < N { if self.len() < N {
None None
@ -421,7 +422,8 @@ impl<T> [T] {
/// ``` /// ```
#[inline] #[inline]
#[stable(feature = "slice_first_last_chunk", since = "1.77.0")] #[stable(feature = "slice_first_last_chunk", since = "1.77.0")]
#[rustc_const_unstable(feature = "const_slice_first_last_chunk", issue = "111774")] #[rustc_const_stable(feature = "const_slice_first_last_chunk", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
pub const fn split_first_chunk_mut<const N: usize>( pub const fn split_first_chunk_mut<const N: usize>(
&mut self, &mut self,
) -> Option<(&mut [T; N], &mut [T])> { ) -> Option<(&mut [T; N], &mut [T])> {
@ -491,7 +493,8 @@ impl<T> [T] {
/// ``` /// ```
#[inline] #[inline]
#[stable(feature = "slice_first_last_chunk", since = "1.77.0")] #[stable(feature = "slice_first_last_chunk", since = "1.77.0")]
#[rustc_const_unstable(feature = "const_slice_first_last_chunk", issue = "111774")] #[rustc_const_stable(feature = "const_slice_first_last_chunk", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
pub const fn split_last_chunk_mut<const N: usize>( pub const fn split_last_chunk_mut<const N: usize>(
&mut self, &mut self,
) -> Option<(&mut [T], &mut [T; N])> { ) -> Option<(&mut [T], &mut [T; N])> {
@ -560,7 +563,8 @@ impl<T> [T] {
/// ``` /// ```
#[inline] #[inline]
#[stable(feature = "slice_first_last_chunk", since = "1.77.0")] #[stable(feature = "slice_first_last_chunk", since = "1.77.0")]
#[rustc_const_unstable(feature = "const_slice_first_last_chunk", issue = "111774")] #[rustc_const_stable(feature = "const_slice_first_last_chunk", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
pub const fn last_chunk_mut<const N: usize>(&mut self) -> Option<&mut [T; N]> { pub const fn last_chunk_mut<const N: usize>(&mut self) -> Option<&mut [T; N]> {
if self.len() < N { if self.len() < N {
None None
@ -1903,7 +1907,8 @@ impl<T> [T] {
#[inline] #[inline]
#[track_caller] #[track_caller]
#[must_use] #[must_use]
#[rustc_const_unstable(feature = "const_slice_split_at_mut", issue = "101804")] #[rustc_const_stable(feature = "const_slice_split_at_mut", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
pub const fn split_at_mut(&mut self, mid: usize) -> (&mut [T], &mut [T]) { pub const fn split_at_mut(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
match self.split_at_mut_checked(mid) { match self.split_at_mut_checked(mid) {
Some(pair) => pair, Some(pair) => pair,
@ -2005,7 +2010,8 @@ impl<T> [T] {
/// assert_eq!(v, [1, 2, 3, 4, 5, 6]); /// assert_eq!(v, [1, 2, 3, 4, 5, 6]);
/// ``` /// ```
#[stable(feature = "slice_split_at_unchecked", since = "1.79.0")] #[stable(feature = "slice_split_at_unchecked", since = "1.79.0")]
#[rustc_const_unstable(feature = "const_slice_split_at_mut", issue = "101804")] #[rustc_const_stable(feature = "const_slice_split_at_mut", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[inline] #[inline]
#[must_use] #[must_use]
pub const unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) { pub const unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
@ -2105,7 +2111,8 @@ impl<T> [T] {
/// assert_eq!(None, v.split_at_mut_checked(7)); /// assert_eq!(None, v.split_at_mut_checked(7));
/// ``` /// ```
#[stable(feature = "split_at_checked", since = "1.80.0")] #[stable(feature = "split_at_checked", since = "1.80.0")]
#[rustc_const_unstable(feature = "const_slice_split_at_mut", issue = "101804")] #[rustc_const_stable(feature = "const_slice_split_at_mut", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[inline] #[inline]
#[must_use] #[must_use]
pub const fn split_at_mut_checked(&mut self, mid: usize) -> Option<(&mut [T], &mut [T])> { pub const fn split_at_mut_checked(&mut self, mid: usize) -> Option<(&mut [T], &mut [T])> {