{"title":"Crystal \u306e\u578b\u3092\u7d5e\u308a\u8fbc\u3080\u5834\u5408\u306f is_a? \u3092\u4f7f\u3046\u3057\u304b\u306a\u304f\u3066\u3064\u3089\u3044","description":"\u3053\u308c\u306f\u300cRuby\u8133\u306b\u306fCrystal\u3064\u3089\u3044 Advent Calendar 2015\u300d\u306e20\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 qiita.com \u6628\u65e5\u306e\u8a18\u4e8b\u3067\u3001File#gets \u304c nil \u3092\u8fd4\u3059\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3001 line = File.open(\"/dev/urandom\").gets if line.is_a? String # gets \u306f nil \u3092\u8fd4\u3059\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3053\u306e if \u304c\u5fc5\u8981 p line.size \u3068\u66f8\u3044\u305f\u306e\u3067\u3059\u304c\u3001Ruby \u306e\u3088\u3046\u306a\u611f\u3058\u3067\u6b21\u306e\u3088\u3046\u306b\u306f\u66f8\u3051\u307e\u305b\u3093\u3002 if line p line.size end line && line.size \u30e6\u30cb\u30aa\u30f3\u578b(\u8907\u6570\u306e\u578b\u306b\u306a\u308a\u3046\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u2026","blog_title":"tmtms \u306e\u30e1\u30e2","width":"100%","author_name":"tmtms","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.tmtms.net%2Fentry%2F2015%2F12%2F20%2Fcrystal\" title=\"Crystal \u306e\u578b\u3092\u7d5e\u308a\u8fbc\u3080\u5834\u5408\u306f is_a? \u3092\u4f7f\u3046\u3057\u304b\u306a\u304f\u3066\u3064\u3089\u3044 - tmtms \u306e\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","image_url":null,"height":"190","provider_url":"https://hatena.blog","blog_url":"https://blog.tmtms.net/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/tmtms/","categories":["Crystal","Ruby"],"url":"https://blog.tmtms.net/entry/2015/12/20/crystal","type":"rich","published":"2015-12-20 00:00:00"}