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authorJonas Schievink <jonasschievink@gmail.com>2020-02-09 18:23:30 +0100
committerGitHub <noreply@github.com>2020-02-09 18:23:30 +0100
commit3516df3ecbc97a449221e7a02cf750bf8726b5c1 (patch)
tree8c8b2ed3d4219a80d3390e6f47faf007e58bc88e /src/liballoc/string.rs
parent0b50319af69d52ce9806e91fba777986dec4e417 (diff)
parentfd2282388140ea0f370ee25c82f00be81c2f822c (diff)
downloadrust-3516df3ecbc97a449221e7a02cf750bf8726b5c1.tar.gz
rust-3516df3ecbc97a449221e7a02cf750bf8726b5c1.zip
Rollup merge of #68742 - tspiteri:string-as-mut, r=sfackler
implement AsMut<str> for String

Closes #68741.
Diffstat (limited to 'src/liballoc/string.rs')
-rw-r--r--src/liballoc/string.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
index 8c9c95eec60..3cb1f259a0b 100644
--- 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]