Module:No globals: Difference between revisions

Latest revision as of 11:41, 20 December 2016

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)

Revision as of 08:39, 19 December 2016 edit Pianoforte (talk \| contribs) 12,299 edits Created page with "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.__newi..." ← Older edit	Latest revision as of 11:41, 20 December 2016 edit undo Pianoforte (talk \| contribs) 12,299 edits m 1 revision imported
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Module:No globals: Difference between revisions

Latest revision as of 11:41, 20 December 2016

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