From 071410ba579e2d9be2cb549e51852dde6fef2f7c Mon Sep 17 00:00:00 2001
From: Tshepang Lekhonkhobe <tshepang@gmail.com>
Date: Thu, 11 Aug 2016 20:44:49 +0200
Subject: [PATCH] string: remove needless binding

---
 src/libcollections/string.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
index 70b514afd035f..50716d03ac470 100644
--- a/src/libcollections/string.rs
+++ b/src/libcollections/string.rs
@@ -1182,8 +1182,7 @@ impl String {
                reason = "recent addition",
                issue = "0")]
     pub fn insert_str(&mut self, idx: usize, string: &str) {
-        let len = self.len();
-        assert!(idx <= len);
+        assert!(idx <= self.len());
         assert!(self.is_char_boundary(idx));
 
         unsafe {