https://tnfshwiki.tfcis.org/index.php?action=history&feed=atom&title=%E6%A8%A1%E7%B5%84%3ANo_globals 2026-05-07T02:22:52Z 本 Wiki 上此頁面的修訂歷史 MediaWiki 1.39.2 https://tnfshwiki.tfcis.org/index.php?title=%E6%A8%A1%E7%B5%84:No_globals&diff=4492&oldid=prev 2016-04-10T09:33:03Z

<p>新頁面: local mt = getmetatable(_G) or {} function mt.__index (t, k) if k ~= &#039;arg&#039; then error(&#039;讀取該非全局變量出錯：&#039; .. tostring(k), 2) end return nil end function mt.__newin...</p> <p><b>新頁面</b></p><div>local mt = getmetatable(_G) or {}<br /> function mt.__index (t, k)<br /> if k ~= &#039;arg&#039; then<br /> error(&#039;讀取該非全局變量出錯：&#039; .. tostring(k), 2)<br /> end<br /> return nil<br /> end<br /> function mt.__newindex(t, k, v)<br /> if k ~= &#039;arg&#039; then<br /> error(&#039;寫入該全局變量出錯：&#039; .. tostring(k), 2)<br /> end<br /> rawset(t, k, v)<br /> end<br /> setmetatable(_G, mt)</div>

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