{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20110120%2F1295527744\" title=\"\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf - sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","type":"rich","published":"2011-01-20 21:49:04","provider_name":"Hatena Blog","width":"100%","categories":["Haskell"],"image_url":null,"blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","blog_url":"https://sirocco.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/sirocco/","description":"Haskell \u3067\u306f\u5f15\u6570\u3068\u3057\u3066\u5225\u306e\u95a2\u6570\u3092\u53d6\u308a\u3001\u65b0\u3057\u3044\u95a2\u6570\u3092\u8fd4\u3059\u95a2\u6570\u306e\u3053\u3068\u3092\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u3068\u8a00\u3044\u307e\u3059\u3002(Real World Haskell p231 ) -- \u5f15\u6570\u3092\u500d\u306b\u3057\u3066\u8fd4\u3059\u95a2\u6570 ghci> let twice=(*2) ghci> twice 123 -- => 246 -- \u5f15\u6570\u3092\uff13\u500d\u306b\u3057\u3066\u8fd4\u3059\u95a2\u6570 ghci> let thrice = (*3) ghci> thrice 123 -- => 369 -- \u95a2\u6570\u3092\u5f15\u6570\u3068\u3057\u3066\u3001\u300c\u5f15\u6570\u306e\u95a2\u6570\u300d\u3068\u300c\uff13\u3092\u52a0\u7b97\u3059\u308b\u95a2\u6570\u300d\u3092\u5408\u6210\u3057\u3066\u8fd4\u3059\u95a2\u6570 ghci> let add3 f = f.(+3) ghci> add3 twice 1000 -- => 2\u2026","title":"\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf","author_name":"sirocco","provider_url":"https://hatena.blog","url":"https://sirocco.hatenadiary.org/entry/20110120/1295527744","height":"190"}