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(Undid revision 948472525 by [[Special:Contributions/w>DiBabelYurikBot|w>DiBabelYurikBot]] ([[User talk:w>DiBabelYurikBot|talk]])) |
m (3 revisions imported from commons:Module:No_globals: Introducing this template for use by me and other CU's) |
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Line 1: | Line 1: | ||
-- dummy comment | |||
local mt = getmetatable(_G) or {} | local mt = getmetatable(_G) or {} | ||
function mt.__index (t, k) | function mt.__index (t, k) |
Revision as of 10:42, 21 May 2020
-- dummy comment
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)