Module:No globals: Difference between revisions

Module:No globals (edit)

307 bytes removed , 6 years ago

m

1 revision: Import from en.wp

Anonymous user

@@ Line 1: / Line 1: @@
-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)