Implement RFC 839

Closes #25976.
2015-06-03 12:38:42 +02:00 · 2015-06-03 12:38:42 +02:00 · b36ed7d2ed
commit b36ed7d2ed
parent a5979be9fe
22 changed files with 291 additions and 1 deletions
--- a/src/libcollections/string.rs
+++ b/src/libcollections/string.rs
@ -793,6 +793,13 @@ impl Extend<char> for String {
    }
 }

+#[stable(feature = "extend_ref", since = "1.2.0")]
+impl<'a> Extend<&'a char> for String {
+    fn extend<I: IntoIterator<Item=&'a char>>(&mut self, iter: I) {
+        self.extend(iter.into_iter().cloned());
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a> Extend<&'a str> for String {
    fn extend<I: IntoIterator<Item=&'a str>>(&mut self, iterable: I) {