From 126f008f6ed59e1dee1d9369f8633a17c4ec8dce Mon Sep 17 00:00:00 2001
From: huangqiaobo <huangqiaobo92321@live.com>
Date: Sat, 6 Sep 2014 19:54:29 +0800
Subject: [PATCH] =?UTF-8?q?2.6=E5=87=BD=E6=95=B0=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E5=B8=B8=E9=87=8F=E5=8F=82=E6=95=B0=E5=92=8C=E5=8F=98=E9=87=8F?=
 =?UTF-8?q?=E5=8F=82=E6=95=B0=E9=87=8C=E7=9A=84=E4=BB=A3=E7=A0=81?=
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---
 source/chapter2/06_Functions.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/chapter2/06_Functions.md b/source/chapter2/06_Functions.md
index af4c47b0..bdb6b4b0 100755
--- a/source/chapter2/06_Functions.md
+++ b/source/chapter2/06_Functions.md
@@ -349,8 +349,12 @@ arithmeticMean(3, 8, 19)
 ```swift
 func alignRight(var string: String, count: Int, pad: Character) -> String {
     let amountToPad = count - countElements(string)
+    if amountToPad < 1 {
+        return string
+    }
+    let padString = String(pad)
     for _ in 1...amountToPad {
-        string = pad + string
+        string = padString + string
     }
     return string
 }