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chore: initial commit

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fallenoak 2023-01-02 13:17:18 -06:00
commit 70b00c5c38
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vendor/lua-5.1.3/test/readonly.lua vendored Normal file
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-- 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'