Module:No globals

From Space Station 14 Wiki
Revision as of 16:16, 13 December 2021 by Moony (talk | contribs) (1 revision imported: Imported a handful of essential modules from enwiki. Need finetuned.)

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)