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

Rollup merge of #116351 - asquared31415:ptr_eq_must_use, r=workingjubilee

Browse Source 
Add `must_use` on pointer equality functions

`ptr == ptr` (like all use of `==`) has a similar warning, and these functions are simple convenience wrappers over that.
This commit is contained in:
Matthias Krüger 2023-10-03 08:58:49 +02:00 committed by GitHub
commit cebe393a4a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
library/core/src/ptr/mod.rs
View File

@ -1864,6 +1864,7 @@ pub unsafe fn write_volatile<T>(dst: *mut T, src: T) {
/// ``` /// ```
#[stable(feature = "ptr_eq", since = "1.17.0")] #[stable(feature = "ptr_eq", since = "1.17.0")]
#[inline(always)] #[inline(always)]
#[must_use = "pointer comparison produces a value"]
pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool { pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
a == b a == b
} }
@ -1886,6 +1887,7 @@ pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
/// ``` /// ```
#[unstable(feature = "ptr_addr_eq", issue = "116324")] #[unstable(feature = "ptr_addr_eq", issue = "116324")]
#[inline(always)] #[inline(always)]
#[must_use = "pointer comparison produces a value"]
pub fn addr_eq<T: ?Sized, U: ?Sized>(p: *const T, q: *const U) -> bool { pub fn addr_eq<T: ?Sized, U: ?Sized>(p: *const T, q: *const U) -> bool {
(p as *const ()) == (q as *const ()) (p as *const ()) == (q as *const ())
} }