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Stabilize const_slice_split_at_mut and const_slice_first_last_chunk #130428

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Oct 5, 2024
Merged

Stabilize const_slice_split_at_mut and const_slice_first_last_chunk #130428

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1 change: 0 additions & 1 deletion library/core/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -146,7 +146,6 @@
#![feature(const_size_of_val)]
#![feature(const_size_of_val_raw)]
#![feature(const_slice_from_ref)]
#![feature(const_slice_split_at_mut)]
#![feature(const_strict_overflow_ops)]
#![feature(const_swap)]
#![feature(const_try)]
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21 changes: 14 additions & 7 deletions library/core/src/slice/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -356,7 +356,8 @@ impl<T> [T] {
/// ```
#[inline]
#[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]> {
if self.len() < N {
None
Expand Down Expand Up @@ -421,7 +422,8 @@ impl<T> [T] {
/// ```
#[inline]
#[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>(
&mut self,
) -> Option<(&mut [T; N], &mut [T])> {
Expand Down Expand Up @@ -491,7 +493,8 @@ impl<T> [T] {
/// ```
#[inline]
#[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>(
&mut self,
) -> Option<(&mut [T], &mut [T; N])> {
Expand Down Expand Up @@ -560,7 +563,8 @@ impl<T> [T] {
/// ```
#[inline]
#[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]> {
if self.len() < N {
None
Expand Down Expand Up @@ -1903,7 +1907,8 @@ impl<T> [T] {
#[inline]
#[track_caller]
#[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]) {
match self.split_at_mut_checked(mid) {
Some(pair) => pair,
Expand Down Expand Up @@ -2005,7 +2010,8 @@ impl<T> [T] {
/// assert_eq!(v, [1, 2, 3, 4, 5, 6]);
/// ```
#[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]
#[must_use]
pub const unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
Expand Down Expand Up @@ -2105,7 +2111,8 @@ impl<T> [T] {
/// assert_eq!(None, v.split_at_mut_checked(7));
/// ```
#[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]
#[must_use]
pub const fn split_at_mut_checked(&mut self, mid: usize) -> Option<(&mut [T], &mut [T])> {
Expand Down
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