stabilize core::array::{from_ref,from_mut}

Author: WaffleLapkin

library/core/src/array/mod.rs

@@ -23,14 +23,14 @@ mod iter;
 pub use iter::IntoIter;
 
 /// Converts a reference to `T` into a reference to an array of length 1 (without copying).
-#[unstable(feature = "array_from_ref", issue = "77101")]
+#[stable(feature = "array_from_ref", since = "1.53.0")]
 pub fn from_ref<T>(s: &T) -> &[T; 1] {
     // SAFETY: Converting `&T` to `&[T; 1]` is sound.
     unsafe { &*(s as *const T).cast::<[T; 1]>() }
 }
 
 /// Converts a mutable reference to `T` into a mutable reference to an array of length 1 (without copying).
-#[unstable(feature = "array_from_ref", issue = "77101")]
+#[stable(feature = "array_from_ref", since = "1.53.0")]
 pub fn from_mut<T>(s: &mut T) -> &mut [T; 1] {
     // SAFETY: Converting `&mut T` to `&mut [T; 1]` is sound.
     unsafe { &mut *(s as *mut T).cast::<[T; 1]>() }

library/core/tests/lib.rs

@@ -1,6 +1,5 @@
 #![feature(alloc_layout_extra)]
 #![feature(array_chunks)]
-#![feature(array_from_ref)]
 #![feature(array_methods)]
 #![feature(array_map)]
 #![feature(array_windows)]