From a19353643bf9ad38dfa05fbea94c01b795989569 Mon Sep 17 00:00:00 2001
From: Corey Farwell <coreyf@rwell.org>
Date: Mon, 25 Jan 2016 17:07:55 -0500
Subject: [PATCH] RefCell::borrow_mut example should demonstrate mut

---
 src/libcore/cell.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index 789b75836d0..6041355e9db 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -414,7 +414,9 @@ pub fn borrow(&self) -> Ref<T> {
     ///
     /// let c = RefCell::new(5);
     ///
-    /// let borrowed_five = c.borrow_mut();
+    /// *c.borrow_mut() = 7;
+    ///
+    /// assert_eq!(*c.borrow(), 7);
     /// ```
     ///
     /// An example of panic:
-- 
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