Difference between revisions of "Module:No globals"

Module:No globals (view source)

307 bytes removed , 06:45, 17 June 2018

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Anonymous user

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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)