rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Mark {array,slice}::{from_ref,from_mut} as const fn

Browse Source
This commit is contained in:
Maybe Waffle
2021-10-22 11:15:56 +03:00
parent 1d6f24210c
commit a288bf6afb
3 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
library/core/src/slice/raw.rs
View File

@@ -138,12 +138,14 @@ pub unsafe fn from_raw_parts_mut<'a, T>(data: *mut T, len: usize) -> &'a mut [T]
/// Converts a reference to T into a slice of length 1 (without copying).
#[stable(feature = "from_ref", since = "1.28.0")]
pub fn from_ref<T>(s: &T) -> &[T] {
#[rustc_const_unstable(feature = "const_slice_from_ref", issue = "none")]
pub const fn from_ref<T>(s: &T) -> &[T] {
array::from_ref(s)
}
/// Converts a reference to T into a slice of length 1 (without copying).
#[stable(feature = "from_ref", since = "1.28.0")]
pub fn from_mut<T>(s: &mut T) -> &mut [T] {
#[rustc_const_unstable(feature = "const_slice_from_ref", issue = "none")]
pub const fn from_mut<T>(s: &mut T) -> &mut [T] {
array::from_mut(s)
}