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Rollup merge of #100184 - Kixunil:stabilize_ptr_const_cast, r=m-ou-se

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Stabilize ptr_const_cast

This stabilizes `ptr_const_cast` feature as was decided in a recent
[FCP](https://github.com/rust-lang/rust/issues/92675#issuecomment-1190660233)

Closes #92675
This commit is contained in:
Dylan DPC 2022-08-11 22:46:58 +05:30 • committed by GitHub
commit d749914f79
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3 changed files with 4 additions and 5 deletions
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1
compiler/rustc_arena/src/lib.rs
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@ -19,7 +19,6 @@
#![feature(rustc_attrs)] #![feature(rustc_attrs)]
#![cfg_attr(test, feature(test))] #![cfg_attr(test, feature(test))]
#![feature(strict_provenance)] #![feature(strict_provenance)]
#![feature(ptr_const_cast)]
use smallvec::SmallVec; use smallvec::SmallVec;

4
library/core/src/ptr/const_ptr.rs
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@ -95,8 +95,8 @@ impl<T: ?Sized> *const T {
/// ///
/// This is a bit safer than `as` because it wouldn't silently change the type if the code is /// This is a bit safer than `as` because it wouldn't silently change the type if the code is
/// refactored. /// refactored.
#[unstable(feature = "ptr_const_cast", issue = "92675")] #[stable(feature = "ptr_const_cast", since = "1.65.0")]
#[rustc_const_unstable(feature = "ptr_const_cast", issue = "92675")] #[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
pub const fn cast_mut(self) -> *mut T { pub const fn cast_mut(self) -> *mut T {
self as _ self as _
} }

4
library/core/src/ptr/mut_ptr.rs
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@ -100,8 +100,8 @@ impl<T: ?Sized> *mut T {
/// coercion. /// coercion.
/// ///
/// [`cast_mut`]: #method.cast_mut /// [`cast_mut`]: #method.cast_mut
#[unstable(feature = "ptr_const_cast", issue = "92675")] #[stable(feature = "ptr_const_cast", since = "1.65.0")]
#[rustc_const_unstable(feature = "ptr_const_cast", issue = "92675")] #[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
pub const fn cast_const(self) -> *const T { pub const fn cast_const(self) -> *const T {
self as _ self as _
} }