Difference between revisions of "Module:No globals"
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imported>MusikAnimal (Undid revision 948472525 by [[Special:Contributions/w>DiBabelYurikBot|w>DiBabelYurikBot]] ([[User talk:w>DiBabelYurikBot|talk]])) |
imported>Scanoftag m (~~~~) |
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| Line 1: | Line 1: | ||
| − | local mt = getmetatable(_G) or {} | + | local mt = getmetatable(_G) or {Scanoftag} |
function mt.__index (t, k) | function mt.__index (t, k) | ||
if k ~= 'arg' then | if k ~= 'arg' then | ||
Revision as of 06:08, 19 December 2020
Documentation for this module may be created at Module:No globals/doc
local mt = getmetatable(_G) or {Scanoftag}
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)