{"url":"https://mametter.hatenablog.com/entry/20080417/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmametter.hatenablog.com%2Fentry%2F20080417%2Fp1\" title=\" \u50d5\u3067\u3082\u308f\u304b\u308b\u7d99\u7d9a\u3068\u90e8\u5206\u7d99\u7d9a - \u307e\u3081\u3081\u3082\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"ku-ma-me","title":" \u50d5\u3067\u3082\u308f\u304b\u308b\u7d99\u7d9a\u3068\u90e8\u5206\u7d99\u7d9a","description":"callcc \u3068 shift/reset \u306b\u3064\u3044\u3066\u308f\u304b\u308b\u3068\u3053\u3060\u3051\u66f8\u3044\u3066\u307f\u307e\u3059\u3002 \u7d99\u7d9a callcc \u3068\u3044\u3046\u64cd\u4f5c\u306f\u3001\u73fe\u5728\u304b\u3089\u5b9f\u884c\u7d42\u4e86\u307e\u3067\u3001\u7d99\u7d9a\u3092\u307e\u308b\u3054\u3068\u53d6\u308a\u51fa\u3057\u307e\u3059\u3002\u4f8b\u984c\u3002 p [1] + callcc {|k| [2] + k.call([3]) } #=> [1, 3] callcc \u3067\u306f callcc \u304c\u30ea\u30bf\u30fc\u30f3\u3057\u3066\u304b\u3089\u5b9f\u884c\u7d42\u4e86\u3059\u308b\u307e\u3067\u306e\u7d99\u7d9a k \u304c\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002k.call([3]) \u3067\u7d99\u7d9a\u304c\u547c\u3070\u308c\u308b\u3068\u3001\u3044\u304d\u306a\u308a\u300ccallcc \u304c [3] \u3092\u8fd4\u3057\u305f\u77ac\u9593\u300d\u306b\u5b9f\u884c\u304c\u98db\u3073\u307e\u3059\u3002\u3064\u307e\u308a\u3053\u3093\u306a\u611f\u3058\u3002 p [1] + [3] \u3042\u3068\u306f\u81ea\u660e\u3067\u3059\u306d\u3002\"[2] +\" \u306e\u3042\u305f\u308a\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u3002 \u90e8\u5206\u7d99\u7d9a sh\u2026","provider_url":"https://hatena.blog","height":"190","image_url":null,"type":"rich","version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/ku-ma-me/","published":"2008-04-17 00:00:00","categories":["Ruby"],"width":"100%","blog_url":"https://mametter.hatenablog.com/","blog_title":"\u307e\u3081\u3081\u3082"}