Mark '<[T; N]>::as_mut_slice' as 'const';

bjoernager · bjoernager · commit b4a506790167 · 2024-11-22T09:49:30.000+01:00
diff --git a/core/src/array/mod.rs b/core/src/array/mod.rs
@@ -577,7 +577,8 @@ impl<T, const N: usize> [T; N] {
     /// Returns a mutable slice containing the entire array. Equivalent to
     /// `&mut s[..]`.
     #[stable(feature = "array_as_slice", since = "1.57.0")]
-    pub fn as_mut_slice(&mut self) -> &mut [T] {
+    #[rustc_const_unstable(feature = "const_array_as_mut_slice", issue = "133333")]
+    pub const fn as_mut_slice(&mut self) -> &mut [T] {
         self
     }
 

Original file line number	Diff line number	Diff line change
`@@ -577,7 +577,8 @@ impl<T, const N: usize> [T; N] {`
`577`	`577`	`/// Returns a mutable slice containing the entire array. Equivalent to`
`578`	`578`	/// `&mut s[..]`.
`579`	`579`	`#[stable(feature = "array_as_slice", since = "1.57.0")]`
`580`		`- pub fn as_mut_slice(&mut self) -> &mut [T] {`
	`580`	`+ #[rustc_const_unstable(feature = "const_array_as_mut_slice", issue = "133333")]`
	`581`	`+ pub const fn as_mut_slice(&mut self) -> &mut [T] {`
`581`	`582`	`self`
`582`	`583`	`}`
`583`	`584`