Rollup merge of rust-lang#40028 - withoutboats:string_from_iter, r=al…

…excrichton impl FromIterator<&char> for String
frewsxcv · Mar 1, 2017 · 0a008b9 · 0a008b9
2 parents 06a0233 + 097398e
commit 0a008b9
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
@@ -1483,6 +1483,15 @@ impl FromIterator<char> for String {
     }
 }
 
+#[stable(feature = "string_from_iter_by_ref", since = "1.17.0")]
+impl<'a> FromIterator<&'a char> for String {
+    fn from_iter<I: IntoIterator<Item = &'a char>>(iter: I) -> String {
+        let mut buf = String::new();
+        buf.extend(iter);
+        buf
+    }
+}
+
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<'a> FromIterator<&'a str> for String {
     fn from_iter<I: IntoIterator<Item = &'a str>>(iter: I) -> String {