Module:No globals

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Documentation for this module may be created at Module:No globals/doc

 1 local mt = getmetatable(_G) or {}
 2 function mt.__index (t, k)
 3 	if k ~= 'arg' then
 4 		-- perf optimization here and below: do not load Module:TNT unless there is an error
 5 		error(require('Module:TNT').format('I18n/No globals', 'err-read', tostring(k)), 2)
 6 	end
 7 	return nil
 8 end
 9 function mt.__newindex(t, k, v)
10 	if k ~= 'arg' then
11 		error(require('Module:TNT').format('I18n/No globals', 'err-write', tostring(k)), 2)
12 	end
13 	rawset(t, k, v)
14 end
15 setmetatable(_G, mt)