Implement AsMut<str> for str

rust-lang · Dec 21, 2020 · 05af421 · 05af421
1 parent 11c94a1
commit 05af421
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/library/core/src/convert/mod.rs b/library/core/src/convert/mod.rs
@@ -623,6 +623,14 @@ impl AsRef<str> for str {
     }
 }
 
+#[stable(feature = "as_mut_str_for_str", since = "1.50.0")]
+impl AsMut<str> for str {
+    #[inline]
+    fn as_mut(&mut self) -> &mut str {
+        self
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // THE NO-ERROR ERROR TYPE
 ////////////////////////////////////////////////////////////////////////////////