local mt = getmetatable(_G) or {}
function mt.__index (t, k)
if k ~= 'arg' then
-- perf optimization here and below: do not load Module:TNT unless there is an error
error("Erro", 2)
end
return nil
end
function mt.__newindex(t, k, v)
if k ~= 'arg' then
error("Erro", 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)
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Módulo:No globals
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