Module:No globals: Difference between revisions
Content deleted Content added
Jackmcbarn (talk | contribs) ←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...' |
Jackmcbarn (talk | contribs) don't bother saving old __index or __newindex |
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Line 1:
local mt = getmetatable(_G) or {}
if k ~= 'name' and k ~= 'arg' then
error('Tried to read nil global ' .. tostring(k), 2)
end
return
end
function mt.__newindex(t, k, v)
if k ~= 'name' and k ~= 'arg' then
error('Tried to write global ' .. tostring(k), 2)
end
end
setmetatable(_G, mt)
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