implement AsMut<str> for String

tspiteri · tspiteri · commit fd2282388140 · 2020-02-01T22:19:28.000+01:00
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
@@ -2208,6 +2208,14 @@ impl AsRef<str> for String {
     }
 }
 
+#[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]

Original file line number	Diff line number	Diff line change
`@@ -2208,6 +2208,14 @@ impl AsRef<str> for String {`
`2208`	`2208`	`}`
`2209`	`2209`	`}`
`2210`	`2210`
	`2211`	`+#[stable(feature = "string_as_mut", since = "1.43.0")]`
	`2212`	`+impl AsMut<str> for String {`
	`2213`	`+ #[inline]`
	`2214`	`+ fn as_mut(&mut self) -> &mut str {`
	`2215`	`+ self`
	`2216`	`+ }`
	`2217`	`+}`
	`2218`	`+`
`2211`	`2219`	`#[stable(feature = "rust1", since = "1.0.0")]`
`2212`	`2220`	`impl AsRef<[u8]> for String {`
`2213`	`2221`	`#[inline]`