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	<title>Módulo:No globals - Historial de revisiones</title>
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	<updated>2026-05-07T17:09:55Z</updated>
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		<id>https://ehu.eus/ccwintco/index.php?title=M%C3%B3dulo:No_globals&amp;diff=19027&amp;oldid=prev</id>
		<title>Admin: 1 revisión importada</title>
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		<updated>2017-04-04T16:36:27Z</updated>

		<summary type="html">&lt;p&gt;1 revisión importada&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Página nueva&lt;/b&gt;&lt;/p&gt;&lt;div&gt;local mt = getmetatable(_G) or {}&lt;br /&gt;
function mt.__index (t, k)&lt;br /&gt;
	if k ~= 'arg' then&lt;br /&gt;
		error('Tried to read nil global ' .. tostring(k), 2)&lt;br /&gt;
	end&lt;br /&gt;
	return nil&lt;br /&gt;
end&lt;br /&gt;
function mt.__newindex(t, k, v)&lt;br /&gt;
	if k ~= 'arg' then&lt;br /&gt;
		error('Tried to write global ' .. tostring(k), 2)&lt;br /&gt;
	end&lt;br /&gt;
	rawset(t, k, v)&lt;br /&gt;
end&lt;br /&gt;
setmetatable(_G, mt)&lt;/div&gt;</summary>
		<author><name>Admin</name></author>
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