implement AsMut<str> for String

2020-02-01 22:19:28 +01:00 · 2020-02-01 22:19:28 +01:00 · fd22823881
commit fd22823881
parent 64184a3288
1 changed files with 8 additions and 0 deletions
--- a/src/liballoc/string.rs
+++ b/src/liballoc/string.rs
@ -2208,6 +2208,14 @@ fn as_ref(&self) -> &str {
    }
 }

+#[stable(feature = "string_as_mut", since = "1.43.0")]
+impl AsMut<str> for String {
+    #[inline]
+    fn as_mut(&mut self) -> &mut str {
+        self
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl AsRef<[u8]> for String {
    #[inline]