{"version":"1.0","blog_url":"https://yuroyoro.hatenablog.com/","title":"Ruby\u306f\u3044\u3064\u3082\u4ffa\u306b\u65b0\u9bae\u306a\u9a5a\u304d\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u308b","author_url":"https://blog.hatena.ne.jp/yuroyoro/","categories":["ruby"],"provider_url":"https://hatena.blog","blog_title":"( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18","provider_name":"Hatena Blog","published":"2013-09-05 11:59:58","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuroyoro.hatenablog.com%2Fentry%2F2013%2F09%2F05%2F115958\" title=\"Ruby\u306f\u3044\u3064\u3082\u4ffa\u306b\u65b0\u9bae\u306a\u9a5a\u304d\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u308b - ( \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>","width":"100%","url":"https://yuroyoro.hatenablog.com/entry/2013/09/05/115958","type":"rich","author_name":"yuroyoro","description":"\u3053\u3093\u306a\u30b3\u30fc\u30c9\u304c\u3042\u3063\u305f\u3002 block\u306e\u8a55\u4fa1\u7d50\u679c\u304c\u507d\u3060\u3063\u305f\u3089\u30a8\u30e9\u30fc\u306b\u3059\u308b\u3001\u3068\u3044\u3046\u610f\u56f3\u3060\u3068\u3002 def die!(&block)! yield || raise(\"error\") end \u5b9f\u884c irb(main):008:0> die! { true } RuntimeError: error from (irb):6:in `die!' from (irb):8 from /usr/local/var/rbenv/versions/1.9.3-p448/bin/irb:12:in `<main>' irb(main):009:0> die! { false } => true ( \uff9f\u0434\uff9f) \uff1f\uff01 \u6b63\u2026","height":"190"}