Module:No globals: Difference between revisions

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14 revisions imported from templatewiki:Module:No_globals
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m (Copying one change by Mainframe98: "From Module:No globals/sandbox, per Topic:Uyr5gphaxbpe5k4h" from mw:Module:No globals. (docs, translate))
m (14 revisions imported from templatewiki:Module:No_globals)
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local mt = getmetatable(_G) or {}
 
function mt.__index (t, k)
if k ~= 'arg' then
-- perf optimization here and below: do not load Module:TNT unless there is an error
error(require('Module:TNT').format('I18n/No globals', 'err-read', tostring(k)), 2)
end
return nil
end
function mt.__newindex(t, k, v)
if k ~= 'arg' then
error(require('Module:TNT').format('I18n/No globals', 'err-write', tostring(k)), 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)