{"type":"rich","title":" \u578b\u3068\u578b\u30af\u30e9\u30b9","url":"https://yohpapa.hatenadiary.org/entry/20100725/1280021947","blog_title":"Yohpapa\u2019s note","description":"9.2 \u4ee3\u6570\u7684\u30c7\u30fc\u30bf\u578b \u518d\u5e30\u7684\u306a\u578b\u306b\u3064\u3044\u3066 \u3046\u301c\u3093\u3001\u3061\u3087\u3063\u3068\u96e3\u3057\u3044\u3002\u3002\u3002\u4e00\u56de\u8aad\u3093\u3060\u3060\u3051\u3067\u306f\u7406\u89e3\u51fa\u6765\u306a\u304b\u3063\u305f\u3002 \u7d30\u304b\u304f\u8aad\u307f\u89e3\u3044\u3066\u3044\u3053\u3046\u3002 \u672c\u6587\u4e2d\u306b\u3042\u3063\u305f\u4f8b\u3092\u305d\u306e\u307e\u307e\u4f7f\u308f\u305b\u3066\u3044\u305f\u3060\u304f\u3068\u3001 data Stack a = Empty | Push a (Stack a) \u3068\u3044\u3046\u578b\u5ba3\u8a00\u3002 data Stack a = \u306e\u90e8\u5206\u306f\u554f\u984c\u306a\u3044\u3067\u3059\u3002 \u300cStack\u300d\u306f\u578b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u3001\u300ca\u300d\u306f\u305d\u306e\u5f15\u6570(\u578b\uff01)\u3002 \u554f\u984c\u306f\u5f8c\u534a\u90e8\u3067\u3059\u3002 Empty | Push a (Stack a) \u300cEmpty\u300d\u306f\u4f55\uff1f\u3068\u3044\u3046\u3053\u3068\u306a\u3093\u3060\u3051\u3069\u3001Prelude\u306e\u4e2d\u3092\u63a2\u3057\u3066\u3082\u3001\u305d\u3093\u306a\u5b9a\u7fa9\u898b\u3064\u304b\u3089\u306a\u3044\u3002 \u305d\u3046\u306a\u3093\u3067\u3059\u3001\u300cEmpty\u300d\u306f\u5f15\u6570\u2026","author_name":"yohpapa","categories":["haskell"],"image_url":null,"provider_name":"Hatena Blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohpapa.hatenadiary.org%2Fentry%2F20100725%2F1280021947\" title=\" \u578b\u3068\u578b\u30af\u30e9\u30b9 - Yohpapa\u2019s note\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","author_url":"https://blog.hatena.ne.jp/yohpapa/","version":"1.0","blog_url":"https://yohpapa.hatenadiary.org/","provider_url":"https://hatena.blog","published":"2010-07-25 10:39:07"}