{"url":"https://yamamucho.hatenadiary.org/entry/20111004/third_start_haskell","blog_url":"https://yamamucho.hatenadiary.org/","image_url":null,"provider_url":"https://hatena.blog","categories":["Haskell"],"height":"190","width":"100%","version":"1.0","author_url":"https://blog.hatena.ne.jp/yamamucho/","author_name":"yamamucho","title":"\u7b2c3\u56de \u30b9\u30bf\u30fc\u30c8Haskell \u611f\u60f3","published":"2011-10-04 00:00:00","type":"rich","provider_name":"Hatena Blog","description":"\u4eca\u56de\u306f\u30cb\u30d5\u30c6\u30a3\u3067\u958b\u50ac\u3002\u5927\u68ee\u99c5\u306b\u306f\u521d\u3081\u3066\u964d\u308a\u305f\u3002\u4f4f\u5b85\u8857\u3068\u30aa\u30d5\u30a3\u30b9\u8857\u304c\u6df7\u3056\u3063\u305f\u3088\u3046\u306a\u96f0\u56f2\u6c17\u3060\u3063\u305f\u3002 \u767a\u8868 \u8cc7\u6599 http://www.mew.org/~kazu/material/2011-fp.pdf \u6975\u610f \u30d0\u30b0\u306e\u5165\u308a\u8fbc\u307f\u306b\u304f\u3044\u5c0f\u3055\u306a\u95a2\u6570\u3092\u3064\u306a\u3052\u3066\u3001\u5927\u304d\u306a\u95a2\u6570\u3092\u4f5c\u308b\u3002 \u901f\u5ea6 length \u306f\u9045\u3044\u3002\u3042\u3068 rverse \u3082\u3002\u914d\u5217\u3092\u3059\u3079\u3066\u8d70\u67fb\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u304b\u3089\u3002\u9014\u4e2d\u3067\u6253\u3061\u5207\u308c\u306a\u3044\u3002 \u518d\u5e30 \u300c\u4e00\u3064\u524d\u304c\u3067\u304d\u3066\u3044\u305f\u3089\u3001\u6b21\u306f\u3069\u3046\u3059\u308b\uff1f\u300d(c) \u548c\u7530\u5148\u751f. \u7573\u307f\u8fbc\u307f foldr \u306f\u672b\u5c3e\u518d\u5e30\u3067\u306a\u3044\u518d\u5e30\u3002\u9045\u5ef6\u8a55\u4fa1\u3068\u76f8\u6027\u304c\u3044\u3044\u3002\u30ea\u30b9\u30c8\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u3068\u76f8\u6027\u304c\u3044\u3044\u3002 foldl \u306f\u672b\u5c3e\u518d\u5e30\u3002\u6570\u5024\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u3068\u76f8\u6027\u304c\u3044\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyamamucho.hatenadiary.org%2Fentry%2F20111004%2Fthird_start_haskell\" title=\"\u7b2c3\u56de \u30b9\u30bf\u30fc\u30c8Haskell \u611f\u60f3 - \u9154\u3044\u3069\u308c\u30b3\u30fc\u30c9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u9154\u3044\u3069\u308c\u30b3\u30fc\u30c9"}