From 39825e459f11f8c59d0f39afa6418ad1332ec3a4 Mon Sep 17 00:00:00 2001
From: Hanlei Qin <qinhanlei@gmail.com>
Date: Wed, 20 Jan 2016 22:59:48 +0800
Subject: Update lua-cn.html.markdown

local variables will better.
---
 zh-cn/lua-cn.html.markdown | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'zh-cn/lua-cn.html.markdown')

diff --git a/zh-cn/lua-cn.html.markdown b/zh-cn/lua-cn.html.markdown
index 098d0ab5..fc0375f5 100644
--- a/zh-cn/lua-cn.html.markdown
+++ b/zh-cn/lua-cn.html.markdown
@@ -210,7 +210,7 @@ f2 = {a = 2, b = 3}
 
 metafraction = {} 
 function metafraction.__add(f1, f2) 
-  sum = {} 
+  local sum = {} 
   sum.b = f1.b * f2.b 
   sum.a = f1.a * f2.b + f2.a * f1.b 
   return sum
@@ -273,7 +273,7 @@ eatenBy = myFavs.animal  -- 可以工作！感谢元表
 Dog = {}                                   -- 1. 
 
 function Dog:new()                         -- 2. 
-  newObj = {sound = 'woof'}                -- 3. 
+  local newObj = {sound = 'woof'}                -- 3. 
   self.__index = self                      -- 4. 
   return setmetatable(newObj, self)        -- 5. 
 end 
@@ -307,7 +307,7 @@ mrDog:makeSound()  -- 'I say woof'         -- 8.
 LoudDog = Dog:new()                           -- 1. 
 
 function LoudDog:makeSound() 
-  s = self.sound .. ' '                       -- 2. 
+  local s = self.sound .. ' '                       -- 2. 
   print(s .. s .. s) 
 end 
 
-- 
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