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Dokumentacija modula

This module causes an error if any nil global is read or if any global is written to, with the exception of arg. To use, add

require('Modul:No globals')

to the top of the module using it. The arg variable is excluded because it is necessary for Scribunto's require function to work properly. (See the Scribunto source code here.)

local mt = getmetatable(_G) or {}
function mt.__index (t, k)
	if k ~= 'arg' then
		error('Poskus globalnega branja ničesar ' .. tostring(k), 2)
	end
	return nil
end
function mt.__newindex(t, k, v)
	if k ~= 'arg' then
		error('Poskus globalnega zapisa ' .. tostring(k), 2)
	end
	rawset(t, k, v)
end
setmetatable(_G, mt)

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