Mark AsRef impls for String's Drain as stable.

Trait implementations effectively can't be #[unstable].
rust-lang · Sep 9, 2020 · f2a3290 · f2a3290
1 parent f5bb523
commit f2a3290
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs
@@ -2481,14 +2481,14 @@ impl<'a> Drain<'a> {
     }
 }
 
-#[unstable(feature = "string_drain_as_str", issue = "none")]
+#[stable(feature = "string_drain_as_ref", since = "1.48.0")]
 impl<'a> AsRef<str> for Drain<'a> {
     fn as_ref(&self) -> &str {
         self.as_str()
     }
 }
 
-#[unstable(feature = "string_drain_as_str", issue = "none")]
+#[stable(feature = "string_drain_as_ref", since = "1.48.0")]
 impl<'a> AsRef<[u8]> for Drain<'a> {
     fn as_ref(&self) -> &[u8] {
         self.as_str().as_bytes()