{"width":"100%","provider_name":"Hatena Blog","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuroyoro.hatenablog.com%2Fentry%2F2014%2F08%2F28%2F170750\" title=\"self.send(pred)\u304ctrue\u306a\u3089\u3070self\u3092\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089nil\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9 - ( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","description":"\u4f55\u3092\u3044\u3063\u3066\u3044\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u3053\u3046\u3044\u3046\u3053\u3068\u3067\u3059ruby\u3067\u3001obj.send(pred) \u304ctrue\u306a\u3089\u3070self\u3092\u3001\u88c5\u3067\u7121\u3044\u5834\u5408\u306fnil \u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u6b32\u3057\u3044\u2014 \u2070\u2070\u2070\u2070null (@yuroyoro) August 28, 2014foo.present? ? foo : other \u307f\u305f\u3044\u306a\u306e\u66f8\u304f\u306e\u30c0\u30eb\u3044\u306e\u3067\u2014 \u2070\u2070\u2070\u2070null (@yuroyoro) August 28, 2014 class Object def filter(&pred) (yield self) ? self : nil end end \u66f8\u3044\u3066\u307f\u305f\u3002 foo\".filter(&:present?) # => \"foo\u2026","blog_title":"( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18","height":"190","provider_url":"https://hatena.blog","url":"https://yuroyoro.hatenablog.com/entry/2014/08/28/170750","author_name":"yuroyoro","blog_url":"https://yuroyoro.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/yuroyoro/","published":"2014-08-28 17:07:50","title":"self.send(pred)\u304ctrue\u306a\u3089\u3070self\u3092\u3001\u305d\u3046\u3067\u306a\u3044\u306a\u3089nil\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9","categories":["ruby"],"image_url":null}