Module:No globals

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Revision as of 04:00, 1 March 2017 by what>Mattflaschen-WMF (Reverted edits by 108.173.191.133 (talk) to last revision by Hashar)
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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)