{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20110121%2F1295563675\" title=\"Haskell \u306b\u304a\u3051\u308b\u6570\u5024\u9593\u306e\u5909\u63db\uff08Int\u30fbInteger\u30fbFloat\u30fbDouble\u30fbRational \uff09 - 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","categories":["Haskell"],"height":"190","published":"2011-01-21 07:47:55","title":"Haskell \u306b\u304a\u3051\u308b\u6570\u5024\u9593\u306e\u5909\u63db\uff08Int\u30fbInteger\u30fbFloat\u30fbDouble\u30fbRational \uff09","type":"rich","image_url":null,"blog_url":"https://sirocco.hatenadiary.org/","provider_url":"https://hatena.blog","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","width":"100%","author_name":"sirocco","provider_name":"Hatena Blog","description":"Haskell \u306f\u6570\u5024\u306e\u578b\u3092\u5408\u308f\u305b\u306a\u3044\u3068\u8a08\u7b97\u51fa\u6765\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u4ed6\u306e\u8a00\u8a9e\u3082\u540c\u3058\u3067\u3059\u304c\u3001 Haskell \u306b\u306f\u578b\u63a8\u8ad6\u304c\u3042\u308b\u305f\u3081\u3001\u5909\u63db\u3057\u3088\u3046\u3068\u3059\u308b\u578b\u3092\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u306e\u3067\u306a\u304f\u3001\u4e2d\u9593\u3068\u3057\u3066\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306a\u578b\u3092\u6307\u5b9a\u3057\u3066\u3001\u3042\u3068\u306f Haskell \u306b\u304a\u307e\u304b\u305b\u3059\u308b\u3068\u3044\u3046\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002 (\u53c2\u8003\uff1aReal World Haskell p153 \u88686-4 \u6570\u5024\u9593\u306e\u5909\u63db) \u307e\u305f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u52dd\u624b\u306b\u30ad\u30e3\u30b9\u30c8\u3068\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u6574\u6570(Int\u3001Integer)\u306e\u578b\u304c\u9055\u3046\u5834\u5408\u306f fromIntegral \u3092\u4f7f\u3063\u3066 Num \u306b\u3057\u3066\u578b\u3092\u5408\u308f\u305b\u3066\u304b\u3089\u8a08\u7b97\u3059\u308b\u3002fromIntegral \u306f Integral\u578b\u304b\u3089Num\u578b\u2026","url":"https://sirocco.hatenadiary.org/entry/20110121/1295563675","author_url":"https://blog.hatena.ne.jp/sirocco/"}