Module:No globals: Difference between revisions

From ZeldaMods (Breath of the Wild)
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(rm name exception)
 
m (Reverted edits by 108.173.191.133 (talk) to last revision by Hashar)
(No difference)

Revision as of 04:00, 1 March 2017

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)