{"width":"100%","type":"rich","author_name":"sekaiya","title":"\u3010Ruby\u3011\u3010\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3011\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u52d5\u7684\u306b\u5909\u66f4\u3002\u3000class_eval","provider_name":"Hatena Blog","blog_url":"https://sekai.hateblo.jp/","published":"2013-11-24 10:15:08","author_url":"https://blog.hatena.ne.jp/sekaiya/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsekai.hateblo.jp%2Fentry%2F2013%2F11%2F24%2F101508\" title=\"\u3010Ruby\u3011\u3010\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3011\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u52d5\u7684\u306b\u5909\u66f4\u3002\u3000class_eval - \u305b\u304b\u3044\u3084  \" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u25a0topic summary study about class_eval \u5909\u6570\u3092\u5c55\u958b\u3057\u305f\u5024\u306e\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u5b9a\u7fa9\u3057\u305f\u3044 \u305f\u3068\u3048\u3070\u3001\u3053\u3046\u3084\u3063\u3066\u66f8\u304f\u3068\u3001hoge\u30e1\u30bd\u30c3\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3002koko\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u304b\uff1f \u30e1\u30bd\u30c3\u30c9\u5185\u3067\"koko\"\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u304b\uff1f\u3068\u3044\u3046\u8a71\u3002 class Test hoge=\"koko\" def hoge p hoge end end p Test.new.methods \u25a0\u5b9f\u884c\u7d50\u679c [:hoge, :nil?, :===, :=~, : \uff65\uff65\uff65 hoge\u30e1\u30bd\u30c3\u30c9\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3002 \u30d2\u30f3\u30c8 \u3053\u3046\u3084\u3063\u3066#{}\u3092\u4f7f\u3046\u3053\u3068\u3067\u6587\u5b57\u5217\u5185\u3067\u5c55\u2026","image_url":null,"height":"190","url":"https://sekai.hateblo.jp/entry/2013/11/24/101508","categories":[],"provider_url":"https://hatena.blog","version":"1.0","blog_title":"\u305b\u304b\u3044\u3084  "}