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move const fn with a null check into const_ptr_is_null gate

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This commit is contained in:
Ralf Jung 2024-09-09 20:09:13 +02:00
parent 720bd0dd6c
commit e10224a7c3
2 changed files with 3 additions and 3 deletions
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2
library/core/src/ptr/const_ptr.rs
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@ -268,7 +268,7 @@ impl<T: ?Sized> *const T {
/// }
/// ```
#[stable(feature = "ptr_as_ref", since = "1.9.0")]
#[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")]
#[rustc_const_unstable(feature = "const_ptr_is_null", issue = "74939")]
#[inline]
pub const unsafe fn as_ref<'a>(self) -> Option<&'a T> {
// SAFETY: the caller must guarantee that `self` is valid

4
library/core/src/ptr/mut_ptr.rs
View File

@ -276,7 +276,7 @@ impl<T: ?Sized> *mut T {
/// }
/// ```
#[stable(feature = "ptr_as_ref", since = "1.9.0")]
#[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")]
#[rustc_const_unstable(feature = "const_ptr_is_null", issue = "74939")]
#[inline]
pub const unsafe fn as_ref<'a>(self) -> Option<&'a T> {
// SAFETY: the caller must guarantee that `self` is valid for a
@ -595,7 +595,7 @@ impl<T: ?Sized> *mut T {
/// println!("{s:?}"); // It'll print: "[4, 2, 3]".
/// ```
#[stable(feature = "ptr_as_ref", since = "1.9.0")]
#[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")]
#[rustc_const_unstable(feature = "const_ptr_is_null", issue = "74939")]
#[inline]
pub const unsafe fn as_mut<'a>(self) -> Option<&'a mut T> {
// SAFETY: the caller must guarantee that `self` is be valid for