---

yaml
---
r: 121436
b: refs/heads/snap-stage3
c: f7f95c8
h: refs/heads/master
v: v3

Author: alexcrichton

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 7a93beef7f692b34168ad69633f56483d38ad8fc
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 05ca9f747d62c9385cc142daa3c24a32d32a3f16
+refs/heads/snap-stage3: f7f95c8f5a6294f161800dbb65a0423bb5248f34
 refs/heads/try: 1813e5aa1a03b0596b8de7abd1af31edf5d6098f
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/libcollections/string.rs

@@ -352,6 +352,14 @@ impl<'a, S: Str> Equiv<S> for String {
     }
 }
 
+impl<S: Str> Add<S, String> for String {
+    fn add(&self, other: &S) -> String {
+        let mut s = self.to_string();
+        s.push_str(other.as_slice());
+        return s;
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use std::prelude::*;
@@ -469,4 +477,13 @@ mod tests {
         assert_eq!(s.len(), 0);
         assert_eq!(s.as_slice(), "");
     }
+
+    #[test]
+    fn test_str_add() {
+        let a = String::from_str("12345");
+        let b = a + "2";
+        let b = b + String::from_str("2");
+        assert_eq!(b.len(), 7);
+        assert_eq!(b.as_slice(), "1234522");
+    }
 }