Permanently protected module

Module:No globals: Difference between revisions

From HIBIKIFORUM
Jump to navigation Jump to search
m (Protected "Module:No globals" ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)))
m (Changed protection settings for "Module:No globals" ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite)))
 
(No difference)

Latest revision as of 05:29, 19 June 2023

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 "http://hibikiforum.net/index.php?title=Module:No_globals&oldid=97963"