{"provider_name":"Hatena Blog","width":"100%","image_url":null,"categories":["Haskell"],"version":"1.0","blog_title":"\u3042\u3069\u3051\u306a\u3044\u8a71","url":"https://kazu-yamamoto.hatenablog.jp/entry/20100702/1278036842","type":"rich","provider_url":"https://hatena.blog","description":"Haskell \u521d\u5fc3\u8005\u306f\u62ec\u5f27\u3070\u304b\u308a\u306e Lisp \u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3002\u4e2d\u7d1a\u8005\u306b\u306a\u308b\u3068\u3001($) \u304c\u591a\u304f\u306a\u308b\u3002\u4e0a\u7d1a\u8005(\u8a00\u3044\u904e\u304e\u304b\uff1f)\u306b\u306a\u308b\u3068\u3001($) \u304c\u6d88\u3048\u3066\u3001(.) \u304c\u591a\u304f\u306a\u308b\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4e0a\u7d1a\u8005\u306b\u306a\u308b\u30b3\u30c4\u3092\u3061\u3087\u3063\u3068\u6559\u3048\u3061\u3083\u304a\u3046\u3002 \u62ec\u5f27\u3060\u3089\u3051\u306e\u30b3\u30fc\u30c9 \u3067\u306f\u3001\u4ee5\u4e0b\u306e\u4f8b\u306b\u3064\u3044\u3066\u8003\u3048\u3088\u3046\u3002 foo p xs = sum (filter p (map (+1) xs)) \u62ec\u5f27\u304c\u591a\u304f\u3066\u3001\u3044\u304b\u306b\u3082\u521d\u5fc3\u8005\u304c\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u3060\u3002foo \u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u52d5\u304f\u3002 foo even [1..6] \u2192 12 ($) \u3092\u4f7f\u3046 \u3067\u306f\u3001\u62ec\u5f27\u3092 ($) \u306b\u7f6e\u304d\u63db\u3048\u3066\u307f\u3088\u3046\u3002\u305d\u3046\u3059\u308b\u306b\u306f\u3001\u4e00\u756a\u53f3\u5074\u306b\u3042\u308b\u9589\u3058\u62ec\u5f27\u3092\u6d88\u3057\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u958b\u2026","published":"2010-07-02 11:14:02","height":"190","author_url":"https://blog.hatena.ne.jp/kazu-yamamoto/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazu-yamamoto.hatenablog.jp%2Fentry%2F20100702%2F1278036842\" title=\" \u95a2\u6570\u5408\u6210\u306e\u5999\u6280 - \u3042\u3069\u3051\u306a\u3044\u8a71\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://kazu-yamamoto.hatenablog.jp/","title":" \u95a2\u6570\u5408\u6210\u306e\u5999\u6280","author_name":"kazu-yamamoto"}