mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make Uniques methods const

Browse Source
This commit is contained in:
woppopo 2021-12-12 04:27:43 +09:00
parent b9a37ad0d9
commit 34eaf52829
2 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
library/core/src/lib.rs
View File

@ -124,6 +124,7 @@
#![feature(const_option)]
#![feature(const_pin)]
#![feature(const_replace)]
#![feature(const_ptr_is_null)]
#![feature(const_ptr_offset)]
#![feature(const_ptr_offset_from)]
#![feature(const_ptr_read)]

6
library/core/src/ptr/unique.rs
View File

@ -92,7 +92,7 @@ impl<T: ?Sized> Unique<T> {
/// Creates a new `Unique` if `ptr` is non-null.
#[inline]
pub fn new(ptr: *mut T) -> Option<Self> {
pub const fn new(ptr: *mut T) -> Option<Self> {
if !ptr.is_null() {
// SAFETY: The pointer has already been checked and is not null.
Some(unsafe { Unique { pointer: ptr as _, _marker: PhantomData } })
@ -115,7 +115,7 @@ pub const fn as_ptr(self) -> *mut T {
/// (unbound) lifetime is needed, use `&*my_ptr.as_ptr()`.
#[must_use]
#[inline]
pub unsafe fn as_ref(&self) -> &T {
pub const unsafe fn as_ref(&self) -> &T {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a reference.
unsafe { &*self.as_ptr() }
@ -128,7 +128,7 @@ pub unsafe fn as_ref(&self) -> &T {
/// (unbound) lifetime is needed, use `&mut *my_ptr.as_ptr()`.
#[must_use]
#[inline]
pub unsafe fn as_mut(&mut self) -> &mut T {
pub const unsafe fn as_mut(&mut self) -> &mut T {
// SAFETY: the caller must guarantee that `self` meets all the
// requirements for a mutable reference.
unsafe { &mut *self.as_ptr() }