模組:No globals

模板:high use

The functionality this module provides was added to Scribunto itself (see T209310) and should now be used as 模板:ml-lua.

See also

• Module:Log globals – adds all nil global reads/writes to the Lua log

---

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)