---

yaml
---
r: 187403
b: refs/heads/try
c: 3a96d6a
h: refs/heads/master
i:
  187401: 8437722
  187399: 48f3973
v: v3

Author: bors

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: b4c965ee803a4521d8b4575f634e036f93e408f3
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 3a96d6a9818fe2affc98a187fb1065120458cee9
-refs/heads/try: c3b77ab41c7b2802d081d788dd020961895120a7
+refs/heads/try: 3a96d6a9818fe2affc98a187fb1065120458cee9
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/libstd/path.rs

@@ -108,7 +108,7 @@
 use core::prelude::*;
 
 use ascii::*;
-use borrow::{Borrow, ToOwned, Cow};
+use borrow::{Borrow, IntoCow, ToOwned, Cow};
 use cmp;
 use iter::{self, IntoIterator};
 use mem;
@@ -987,6 +987,18 @@ impl Borrow<Path> for PathBuf {
     }
 }
 
+impl IntoCow<'static, Path> for PathBuf {
+    fn into_cow(self) -> Cow<'static, Path> {
+        Cow::Owned(self)
+    }
+}
+
+impl<'a> IntoCow<'a, Path> for &'a Path {
+    fn into_cow(self) -> Cow<'a, Path> {
+        Cow::Borrowed(self)
+    }
+}
+
 impl ToOwned for Path {
     type Owned = PathBuf;
     fn to_owned(&self) -> PathBuf { self.to_path_buf() }
@@ -1411,6 +1423,26 @@ mod tests {
         );
     );
 
+    #[test]
+    fn into_cow() {
+        use borrow::{Cow, IntoCow};
+
+        let static_path = Path::new("/home/foo");
+        let static_cow_path: Cow<'static, Path> = static_path.into_cow();
+        let pathbuf = PathBuf::new("/home/foo");
+
+        {
+            let path: &Path = &pathbuf;
+            let borrowed_cow_path: Cow<Path> = path.into_cow();
+
+            assert_eq!(static_cow_path, borrowed_cow_path);
+        }
+
+        let owned_cow_path: Cow<'static, Path> = pathbuf.into_cow();
+
+        assert_eq!(static_cow_path, owned_cow_path);
+    }
+
     #[test]
     #[cfg(unix)]
     pub fn test_decompositions_unix() {