{"url":"https://notogawa.hatenablog.com/entry/2017/08/09/120225","blog_url":"https://notogawa.hatenablog.com/","categories":["Haskell"],"published":"2017-08-09 12:02:25","description":"(\u6ce8:\u3053\u306e\u8a18\u4e8b\u306f\u304b\u306a\u308a\u524d\u306b\u66f8\u3044\u3066\u516c\u958b\u3057\u5fd8\u308c\u3066\u3044\u305f\u3053\u3068\u306b\u4eca\u65e5\u6c17\u4ed8\u3044\u305f\u3082\u306e\u3067\u3059\uff0e\u3082\u3046\u5f53\u305f\u308a\u524d\u306b\u306a\u3063\u3066\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\u3082\u3063\u305f\u3044\u306a\u3044\u306e\u3067\u4e00\u5fdc)ghc8\u4ee5\u964dTypeApplications\u62e1\u5f35\u304c\u5165\u3063\u305f\u3053\u3068\u3082\u3042\u308a\u4e00\u5fdc\u306e\u6ce8\u610f\u559a\u8d77\uff0e\u305f\u3068\u3048\u3070\uff0c\u6b21\u306e\u3088\u3046\u306b\u95a2\u6570f\u3068g\u3092\u5b9a\u7fa9\u3059\u308b\uff0e\u6642\u7cfb\u5217\u7684\u306b\u306ff\u306e\u578b\u3092g\u306e\u578b\u306b\u5909\u66f4\u3057\u305f\u3088\u3046\u306a\u60f3\u5b9a\u3067\uff0e data X a b = X a b f :: (Show a, Show b) => X a b -> String f (X a b) = show a ++ show b -- f\u3068\u6bd4\u3079\u3066\u578b\u5909\u6570a\u3068b\u306b\u5bfe\u3059\u308bShow\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u5165\u308c\u63db\u3048\u305f\u3082\u306e g :: (Show b, Show\u2026","title":"\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u9806\u756a\u3092\u5165\u308c\u63db\u3048\u308b\u3068\u4e92\u63db\u6027\u304c\u5d29\u308c\u308b\u3053\u3068\u304c\u3042\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnotogawa.hatenablog.com%2Fentry%2F2017%2F08%2F09%2F120225\" title=\"\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u9806\u756a\u3092\u5165\u308c\u63db\u3048\u308b\u3068\u4e92\u63db\u6027\u304c\u5d29\u308c\u308b\u3053\u3068\u304c\u3042\u308b - \u307c\u304f\u306e\u306c\u307e\u3061 \u51fa\u5f35\u7248\" 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%","author_url":"https://blog.hatena.ne.jp/notogawa/","provider_url":"https://hatena.blog","author_name":"notogawa","version":"1.0","height":"190","type":"rich","blog_title":"\u307c\u304f\u306e\u306c\u307e\u3061 \u51fa\u5f35\u7248","image_url":null,"provider_name":"Hatena Blog"}