{"height":"190","description":"\u5b9f\u52d9\u3067\u306f\u4e00\u5207\u306e\u5f79\u306b\u7acb\u305f\u306a\u3044Ruby\u96d1\u5b66\u3002 \u666e\u901a\u306edef \u307e\u305a\u306f\u57fa\u672c\u306e\u66f8\u304d\u65b9\u3002 def foo puts \"hello\" end foo #=> \"hello\" class User def self.foo puts \"foo\" end class << self def bar puts \"bar\" end end end User.foo #=> \"foo\" User.bar #=> \"bar\" \u7279\u7570\u30af\u30e9\u30b9\u306e\u5225\u306e\u66f8\u304d\u65b9 \u3084\u3063\u3066\u308b\u4e8b\u306f\u540c\u3058\u3060\u3051\u3069\u3001self\u3092User\u306b\u5909\u3048\u305f\u3084\u3064\u3002 class User class << User def bar puts \"bar\" end end end d\u2026","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsinsoku.hatenablog.com%2Fentry%2F2018%2F05%2F11%2F012530\" title=\"Ruby\u306edef\u306e\u5f8c\u306b\u4f55\u3092\u66f8\u3051\u308b\u304b\u8abf\u3079\u308b\u5b9f\u9a13 - \u30a2\u30b8\u30e3\u30a4\u30ebSE\u306e\u6182\u9b31\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","author_url":"https://blog.hatena.ne.jp/sinsoku/","blog_url":"https://sinsoku.hatenablog.com/","categories":["ruby"],"url":"https://sinsoku.hatenablog.com/entry/2018/05/11/012530","provider_name":"Hatena Blog","author_name":"sinsoku","version":"1.0","blog_title":"\u30a2\u30b8\u30e3\u30a4\u30ebSE\u306e\u6182\u9b31","published":"2018-05-11 01:25:30","title":"Ruby\u306edef\u306e\u5f8c\u306b\u4f55\u3092\u66f8\u3051\u308b\u304b\u8abf\u3079\u308b\u5b9f\u9a13","image_url":null}