From 65ff135ec54ef6d2b2286e45c95256a7e08f3b25 Mon Sep 17 00:00:00 2001
From: Kohei Yoshida <kohei.yoshida@gmail.com>
Date: Mon, 9 Jul 2012 19:21:51 -0400
Subject: Use front() over index access.

---
 merge-sort.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/merge-sort.cpp b/merge-sort.cpp
index e7647a0..5bbe1fe 100644
--- a/merge-sort.cpp
+++ b/merge-sort.cpp
@@ -15,25 +15,25 @@ void merge(list_t& lst, list_t left, list_t right)
     {
         if (!left.empty() && !right.empty())
         {
-            if (left[0] <= right[0])
+            if (left.front() <= right.front())
             {
-                res.push_back(left[0]);
+                res.push_back(left.front());
                 left.pop_front();
             }
             else
             {
-                res.push_back(right[0]);
+                res.push_back(right.front());
                 right.pop_front();
             }
         }
         else if (!left.empty())
         {
-            res.push_back(left[0]);
+            res.push_back(left.front());
             left.pop_front();
         }
         else if (!right.empty())
         {
-            res.push_back(right[0]);
+            res.push_back(right.front());
             right.pop_front();
         }
     }
-- 
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