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library: Const-stabilize MaybeUninit::assume_init_mut #131274

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Merged
merged 1 commit into from
Oct 14, 2024
Merged

library: Const-stabilize MaybeUninit::assume_init_mut #131274

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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 @@ -131,7 +131,6 @@
#![feature(const_ipv6)]
#![feature(const_likely)]
#![feature(const_make_ascii)]
#![feature(const_maybe_uninit_assume_init)]
#![feature(const_nonnull_new)]
#![feature(const_num_midpoint)]
#![feature(const_option)]
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9 changes: 7 additions & 2 deletions library/core/src/mem/maybe_uninit.rs
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Expand Up @@ -913,7 +913,11 @@ impl<T> MaybeUninit<T> {
/// };
/// ```
#[stable(feature = "maybe_uninit_ref", since = "1.55.0")]
#[rustc_const_unstable(feature = "const_maybe_uninit_assume_init", issue = "none")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_stable(
feature = "const_maybe_uninit_assume_init",
since = "CURRENT_RUSTC_VERSION"
)]
#[inline(always)]
pub const unsafe fn assume_init_mut(&mut self) -> &mut T {
// SAFETY: the caller must guarantee that `self` is initialized.
Expand Down Expand Up @@ -999,7 +1003,8 @@ impl<T> MaybeUninit<T> {
///
/// [`assume_init_mut`]: MaybeUninit::assume_init_mut
#[unstable(feature = "maybe_uninit_slice", issue = "63569")]
#[rustc_const_unstable(feature = "const_maybe_uninit_assume_init", issue = "none")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[rustc_const_unstable(feature = "maybe_uninit_slice", issue = "63569")]
#[inline(always)]
pub const unsafe fn slice_assume_init_mut(slice: &mut [Self]) -> &mut [T] {
// SAFETY: similar to safety notes for `slice_get_ref`, but we have a
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