{"description":"\u9ad8\u968e\u95a2\u6570(higher order function)\u9ad8\u968e\u95a2\u6570\u3068\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u304a\u3044\u3066\u3001\u95a2\u6570\u3092\u5f15\u6570\u3068\u3057\u305f\u308a\u3001 \u3042\u308b\u3044\u306f\u95a2\u6570\u3092\u623b\u308a\u5024\u3068\u3059\u308b\u3088\u3046\u306a\u95a2\u6570\u306e\u3053\u3068\u3067\u3042\u308b\u3002 \u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eHaskell\u306b\u304a\u3044\u3066\u306f\u3001\u307e\u305a\u300c\u95a2\u6570\u300d\u3068\u3044\u3046\u5024\u304c\u3042\u308a\u3001 \u95a2\u6570\u540d\u306f\u305d\u308c\u306b\u675f\u7e1b\u3055\u308c\u305f\u5909\u6570\u3067\u3042\u308b\u3068\u8003\u3048\u308b\u3068\u3001\u7406\u89e3\u3057\u3084\u3059\u3044\u3002 square n = n * n map square [1,2,3,4,5] \u4e0a\u8a18\u306e\u3088\u3046\u306a\u5834\u5408\u3001map\u95a2\u6570\u306f\u3001\u30ea\u30b9\u30c8[1,2,3,4,5]\u306e\u5404\u8981\u7d20\u306b\u3001 square\u95a2\u6570\u3092\u9069\u7528\u3057\u305f\u30ea\u30b9\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3053\u306e\u5f0f\u306e\u5024\u306f [(square 1),(square 2),(square 3),(\u2026","height":"190","title":"Haskell\u306e\u304a\u52c9\u5f37\u3000\u305d\u306e\uff13","image_url":null,"blog_title":"Bug Catharsis","version":"1.0","blog_url":"https://zecl.hatenablog.com/","provider_name":"Hatena Blog","width":"100%","published":"2008-03-16 00:00:01","author_name":"zecl","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzecl.hatenablog.com%2Fentry%2F20080316%2Fp2\" title=\"Haskell\u306e\u304a\u52c9\u5f37\u3000\u305d\u306e\uff13 - Bug Catharsis\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://zecl.hatenablog.com/entry/20080316/p2","type":"rich","author_url":"https://blog.hatena.ne.jp/zecl/","provider_url":"https://hatena.blog","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","Haskell"]}