Difference between revisions of "Module:No globals"

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Module:No globals (view source)

Revision as of 06:45, 17 June 2018

307 bytes removed ,  06:45, 17 June 2018
Blanked the page
>Mattflaschen-WMF
m (Reverted edits by 108.173.191.133 (talk) to last revision by Hashar)
(Blanked the page)
Line 1: Line 1:
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)
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