bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

stabilize const_maybe_uninit_as_mut_ptr

Browse source
This commit is contained in:
ultrabear 2024-09-18 20:08:52 -07:00
parent a5cf8bbd4e
commit 7477f3eb35
No known key found for this signature in database
GPG key ID: 6A5BDAF57DFFD6A0
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
library/core/src/mem/maybe_uninit.rs
View file

@ -393,7 +393,6 @@ impl<T> MaybeUninit<T> {
// These are OK to allow since we do not leak &mut to user-visible API
#[rustc_allow_const_fn_unstable(const_mut_refs)]
#[rustc_allow_const_fn_unstable(const_ptr_write)]
#[rustc_allow_const_fn_unstable(const_maybe_uninit_as_mut_ptr)]
#[rustc_const_stable(feature = "const_maybe_uninit_zeroed", since = "1.75.0")]
pub const fn zeroed() -> MaybeUninit<T> {
let mut u = MaybeUninit::<T>::uninit();
@ -570,7 +569,8 @@ impl<T> MaybeUninit<T> {
/// (Notice that the rules around references to uninitialized data are not finalized yet, but
/// until they are, it is advisable to avoid them.)
#[stable(feature = "maybe_uninit", since = "1.36.0")]
#[rustc_const_unstable(feature = "const_maybe_uninit_as_mut_ptr", issue = "75251")]
#[rustc_const_stable(feature = "const_maybe_uninit_as_mut_ptr", since = "CURRENT_RUSTC_VERSION")]
#[cfg_attr(bootstrap, rustc_allow_const_fn_unstable(const_mut_refs))]
#[inline(always)]
pub const fn as_mut_ptr(&mut self) -> *mut T {
// `MaybeUninit` and `ManuallyDrop` are both `repr(transparent)` so we can cast the pointer.