Module:No globals

From Pornopedia Quote
Revision as of 20:11, 28 December 2023 by Till Kraemer (talk | contribs) (Based on Module:No globals.)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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

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)