मोड्युल:No globals

स्वतन्त्र विश्वकोश, नेपाली विकिपिडियाबाट
Jump to navigation Jump to search
warning Warning:Do not edit. This page is maintained by a bot. All edits should be done at mediawiki.org.   (translate this warning)
Please help translate this page.

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)