Make core::mem::copy const

jyn514 · jyn514 · commit b5d5682ac306 · 2022-09-14T18:50:33.000-05:00
diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs
@@ -1005,7 +1005,7 @@ pub fn drop<T>(_x: T) {}
 /// ```
 #[inline]
 #[unstable(feature = "mem_copy_fn", issue = "98262")]
-pub fn copy<T: Copy>(x: &T) -> T {
+pub const fn copy<T: Copy>(x: &T) -> T {
     *x
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1005,7 +1005,7 @@ pub fn drop<T>(_x: T) {}`
`1005`	`1005`	/// ```
`1006`	`1006`	`#[inline]`
`1007`	`1007`	`#[unstable(feature = "mem_copy_fn", issue = "98262")]`
`1008`		`-pub fn copy<T: Copy>(x: &T) -> T {`
	`1008`	`+pub const fn copy<T: Copy>(x: &T) -> T {`
`1009`	`1009`	`*x`
`1010`	`1010`	`}`
`1011`	`1011`