From f065d7884d353c3545535850e4e8bdf8e10025ca Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 6 Dec 2018 00:32:34 +0800
Subject: =?UTF-8?q?*=E5=88=9D=E5=A7=8B=E5=8C=96?=
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---
 libs/lua-5.1.5/test/readonly.lua | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 libs/lua-5.1.5/test/readonly.lua

(limited to 'libs/lua-5.1.5/test/readonly.lua')

diff --git a/libs/lua-5.1.5/test/readonly.lua b/libs/lua-5.1.5/test/readonly.lua
new file mode 100644
index 0000000..85c0b4e
--- /dev/null
+++ b/libs/lua-5.1.5/test/readonly.lua
@@ -0,0 +1,12 @@
+-- make global variables readonly
+
+local f=function (t,i) error("cannot redefine global variable `"..i.."'",2) end
+local g={}
+local G=getfenv()
+setmetatable(g,{__index=G,__newindex=f})
+setfenv(1,g)
+
+-- an example
+rawset(g,"x",3)
+x=2
+y=1	-- cannot redefine `y'
-- 
cgit v1.1-26-g67d0