Actions

Module

Module:No globals

From Pi Server Wiki

This is the current revision of this page, as edited by Admin (talk | contribs) at 16:02, 11 September 2021. The present address (URL) is a permanent link to this version.

(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)
Retrieved from "https://superpi.ddns.net/w/index.php?title=Module:No_globals&oldid=261"