{"version":"1.0","author_name":"MaD","provider_name":"Hatena Blog","description":"\u306a\u3093\u3067\u3082\u30bb\u30df\u30ca\u30fc\u3067\u8cea\u554f\u304c\u3042\u3063\u305f\u624b\u524d\u3001GHC\u306e\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u4e8b\u3068\u304b\u8abf\u3079\u3088\u3046\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3060\u3051\u308c\u3069\u3001\u3053\u306e\u3068\u3053\u308d\u5927\u5b66\u306e\u5b9f\u9a13\u3067\u4f59\u88d5\u304c\u306a\u3044\u306e\u3067\u3001\u3057\u3070\u3089\u304f\u5b9f\u9a13\u4e2d\u306b\u6c17\u3065\u3044\u305f\u4e8b\u3068\u304b\u66f8\u3044\u3066\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002 Haskell\u3067\u306e\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u96e3\u3057\u3055 Haskell\u3067\u624b\u8efd\u306b\u4f7f\u3048\u308b\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u3057\u3066\u306ferror\u95a2\u6570\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306e\u5834\u5408 parse '1' = 1 parse '2' = 2 parse '3' = 3 parse x = error $ \"invalid input : \" ++ show x main = do input <- getContents putStrLn\u2026","blog_url":"https://mad.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/MaD/","published":"2007-11-07 05:57:46","provider_url":"https://hatena.blog","blog_title":"mad\u65e5\u8a18","image_url":null,"categories":["Haskell"],"title":" Haskell\u3067\u306e\u30a8\u30e9\u30fc\u51e6\u7406","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmad.hatenadiary.org%2Fentry%2F20071107%2F1194469066\" title=\" Haskell\u3067\u306e\u30a8\u30e9\u30fc\u51e6\u7406 - mad\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>","type":"rich","url":"https://mad.hatenadiary.org/entry/20071107/1194469066","height":"190"}