From ad7dacd9eb39ae8dba6badb41de03821f9dd7707 Mon Sep 17 00:00:00 2001
From: Aaron Weiss <aaronweiss74@gmail.com>
Date: Mon, 8 Dec 2014 15:56:10 -0500
Subject: [PATCH] Implemented BorrowFrom<Rc<T>> for T.

---
 src/liballoc/rc.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index 53891583edb20..217c898e661a0 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -141,6 +141,7 @@
 
 #![stable]
 
+use core::borrow::BorrowFrom;
 use core::cell::Cell;
 use core::clone::Clone;
 use core::cmp::{PartialEq, PartialOrd, Eq, Ord, Ordering};
@@ -349,6 +350,12 @@ impl<T: Clone> Rc<T> {
     }
 }
 
+impl<T> BorrowFrom<Rc<T>> for T {
+    fn borrow_from(owned: &Rc<T>) -> &T {
+        &**owned
+    }
+}
+
 #[experimental = "Deref is experimental."]
 impl<T> Deref<T> for Rc<T> {
     #[inline(always)]