{"url":"https://blog.emattsan.org/entry/20091222/1261489889","published":"2009-12-22 22:51:29","width":"100%","blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","provider_url":"https://hatena.blog","description":"\u5165\u9580Lua\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u8aad\u3093\u3067\u3044\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u95a2\u6570\u5185\u306breturn\u6587\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u95a2\u6570\u306e\u51fa\u529b\u304c\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001nil\u304c\u623b\u308a\u5024\u306b\u306a\u308b\u3001\u3068\u8003\u3048\u307e\u3059\u3002 \u5165\u9580Lua\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 P.33 \u300c\u3068\u8003\u3048\u307e\u3059\u300d\u304c\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u6b21\u306e\u3088\u3046\u306a\u95a2\u6570\u306e\u5834\u5408\u306fnil\u304c\u8fd4\u308b\u306e\u304b\u306a\uff1f\u3068\u601d\u3063\u3066\u8a66\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u2026\u3002 function f() end \u623b\u308a\u5024\u3092\u8868\u793a\u3057\u3066\u307f\u308b\u3002 print(f()) \u7d50\u679c\u3002 \u306a\u306b\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u3002 \u3062\u3083\u3001\u578b\u306f\uff1f print(type(f())) \u7d50\u679c\u3001\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3057\u305f\u3002 nil\u3092\u8fd4\u3059\u95a2\u6570\u3068\u6bd4\u3079\u3066\u307f\u308b\u3068\u3002 function g() return nil end \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20091222%2F1261489889\" title=\"Lua\u306e\u623b\u308a\u5024\u306e\u306a\u3044\u95a2\u6570\u306e\u623b\u308a\u5024 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","height":"190","title":"Lua\u306e\u623b\u308a\u5024\u306e\u306a\u3044\u95a2\u6570\u306e\u623b\u308a\u5024","type":"rich","categories":["Lua"],"provider_name":"Hatena Blog","author_name":"E_Mattsan","blog_url":"https://blog.emattsan.org/","version":"1.0","image_url":null}