{"width":"100%","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0\u30e2\u30b0\u30e2\u30b0","blog_url":"https://itchyny.hatenablog.com/","version":"1.0","author_url":"https://blog.hatena.ne.jp/itchyny/","description":"\u6700\u8fd1\u8003\u3048\u3066\u3044\u308b\u3053\u3068\u3092\u8ff0\u3079\u307e\u3059. \u4ee3\u6570\u7684\u69cb\u9020\u3068\u6e96\u540c\u578b\u5199\u50cf\u306b\u95a2\u3059\u308b\u8003\u5bdf\u3067\u3059. \u7279\u306b\u5fc5\u8981\u306a\u77e5\u8b58\u306f\u7121\u3044\u3064\u3082\u308a\u3067\u3059\u304c, Haskell\u306e\u30b3\u30fc\u30c9\u3092\u8aad\u3081\u308b\u3068\u5b09\u3057\u3044\u3067\u3059. import Prelude hiding \u4ee5\u4e0b\u306e\u3082\u306e\u3092\u96a0\u3057\u3066\u304a\u3044\u3066\u4e0b\u3055\u3044. import Prelude hiding ((+), (++), length, True, False, Bool) \u81ea\u7136\u6570\u3068\u30ea\u30b9\u30c8\u306e\u5b9a\u7fa9 \u307e\u305a, \u81ea\u7136\u6570(\u975e\u8ca0\u6574\u6570)\u3068\u30ea\u30b9\u30c8\u306e\u5b9a\u7fa9\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3059. data Nat = Zero | Succ Nat deriving (Show, Eq) \u81ea\u7136\u6570\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059. \u30da\u30a2\u30ce\u306e\u516c\u7406\u3067\u3059\u306d. \u3053\u3053\u3067\u306f, \u8868\u793a\u3067\u2026","url":"https://itchyny.hatenablog.com/entry/20111231/1325313945","author_name":"itchyny","height":"190","title":"\u4ee3\u6570\u7684\u30c7\u30fc\u30bf\u578b\u3068\u6e96\u540c\u578b\u5199\u50cf","categories":["Haskell"],"provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fitchyny.hatenablog.com%2Fentry%2F20111231%2F1325313945\" title=\"\u4ee3\u6570\u7684\u30c7\u30fc\u30bf\u578b\u3068\u6e96\u540c\u578b\u5199\u50cf - \u30d7\u30ed\u30b0\u30e9\u30e0\u30e2\u30b0\u30e2\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2011-12-31 15:45:45","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/i/itchyny/20111231/20111231002609.png"}