Module:No globals

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Revision as of 20:38, 23 April 2014 by what>Jackmcbarn (Created page with 'local mt = getmetatable(_G) or {} local oldIndex = mt.__index or function() return nil end mt.__index = function(t, k) if k ~= 'name' and k ~= 'arg' then erro...')
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local mt = getmetatable(_G) or {} local oldIndex = mt.__index or function() return nil end mt.__index = function(t, k) if k ~= 'name' and k ~= 'arg' then error('Tried to read nil global ' .. tostring(k), 2) end return oldIndex(t, k) end local oldNewindex = mt.__newindex or rawset function mt.__newindex(t, k, v) if k ~= 'name' and k ~= 'arg' then error('Tried to write global ' .. tostring(k), 2) end oldNewindex(t, k, v) end setmetatable(_G, mt)