Module:No globals
From The Crowdsourced Resource-Based Economy Knowledgebase
Revision as of 02:35, 3 May 2014 by Jackmcbarn (Talk)
local mt = getmetatable(_G) or {} function mt.__index (t, k) if k ~= 'arg' then error('Tried to read nil global ' .. tostring(k), 2) end return nil end function mt.__newindex(t, k, v) if k ~= 'arg' then error('Tried to write global ' .. tostring(k), 2) end rawset(t, k, v) end setmetatable(_G, mt)
