Implement AsMut<str> for str

Yaulendil · Yaulendil · commit 05af4213b593 · 2020-12-21T18:42:29.000-05:00
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
 ////////////////////////////////////////////////////////////////////////////////

Original file line number	Diff line number	Diff line change
`@@ -623,6 +623,14 @@ impl AsRef<str> for str {`
`623`	`623`	`}`
`624`	`624`	`}`
`625`	`625`
	`626`	`+#[stable(feature = "as_mut_str_for_str", since = "1.50.0")]`
	`627`	`+impl AsMut<str> for str {`
	`628`	`+ #[inline]`
	`629`	`+ fn as_mut(&mut self) -> &mut str {`
	`630`	`+ self`
	`631`	`+ }`
	`632`	`+}`
	`633`	`+`
`626`	`634`	`////////////////////////////////////////////////////////////////////////////////`
`627`	`635`	`// THE NO-ERROR ERROR TYPE`
`628`	`636`	`////////////////////////////////////////////////////////////////////////////////`