Implement Borrow<str> for DOMString

Useful to use DOMString as a HashMap key type.
servo · Sep 7, 2016 · 20b131a · 20b131a
1 parent dd33be4
commit 20b131a
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/components/script/dom/bindings/str.rs b/components/script/dom/bindings/str.rs
@@ -5,7 +5,7 @@
 //! The `ByteString` struct.
 
 use std::ascii::AsciiExt;
-use std::borrow::{ToOwned, Cow};
+use std::borrow::{Borrow, Cow, ToOwned};
 use std::fmt;
 use std::hash::{Hash, Hasher};
 use std::ops;
@@ -180,6 +180,13 @@ impl DOMString {
     }
 }
 
+impl Borrow<str> for DOMString {
+    #[inline]
+    fn borrow(&self) -> &str {
+        &self.0
+    }
+}
+
 impl Default for DOMString {
     fn default() -> Self {
         DOMString(String::new())