From 636d79f50e3b63ce06e9b403515c4ddc05adb678 Mon Sep 17 00:00:00 2001
From: Corey Farwell <coreyf@rwell.org>
Date: Sat, 4 Jul 2015 16:05:54 -0700
Subject: [PATCH] Implement std::borrow::Borrow for Atom

I want to be able to use connect() on Atoms, which requires
Borrow<str> be implemented
---
 src/atom/mod.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/atom/mod.rs b/src/atom/mod.rs
index 31ec94a..532f525 100644
--- a/src/atom/mod.rs
+++ b/src/atom/mod.rs
@@ -11,6 +11,7 @@
 
 use phf::OrderedSet;
 
+use std::borrow::Borrow;
 use std::fmt;
 use std::mem;
 use std::ops;
@@ -303,6 +304,13 @@ impl Ord for Atom {
     }
 }
 
+impl Borrow<str> for Atom {
+    fn borrow(&self) -> &str {
+        &self
+    }
+}
+
+
 #[cfg(test)]
 mod bench;
 
@@ -522,4 +530,12 @@ mod tests {
         let atom = Atom::from_slice("foobar");
         let _: &str = &atom;
     }
+
+    #[test]
+    fn ensure_borrow() {
+        // Ensure std::borrow::Borrow is implemented
+        let atoms = vec![Atom::from_slice("foo"), Atom::from_slice("bar")];
+        let joined_atoms = atoms.connect(" ");
+        assert_eq!(joined_atoms, "foo bar");
+    }
 }