{"description":"\u91cd\u8907\u3001\u7701\u7565\u306e\u306a\u3044\u9806\u5217\u3092\u8fd4\u3059\u95a2\u6570\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002\u306a\u3093\u3060\u304b\u3001\u3082\u3063\u3068\u7c21\u5358\u306b\u304b\u3051\u305d\u3046\u306a\u6c17\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3055\u3063\u3071\u308a\u3068\u3044\u304d\u307e\u305b\u3093\u2026Prelude\u3068\u304b\u306b\u3042\u3063\u3066\u3082\u9a5a\u304b\u306a\u3044\u6c17\u3082\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u9806\u5217\u751f\u6210\u306e\u5143\u3068\u306a\u308b\u8981\u7d20\u96c6\u5408\u3092\u30ea\u30b9\u30c8[a]\u3067\u4e0e\u3048\u3066\u3001\u305d\u3053\u304b\u3089\u751f\u6210\u3055\u308c\u308b\u9806\u5217\u3092a\u3067\u5e30\u3059\u3068\u3044\u3046\u5f62\u306b\u3057\u307e\u3059\u3002 permutation :: [a] -> [ [a] ]\u305d\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u7d50\u679c\u3092\u8fd4\u3057\u305f\u3044\u308f\u3051\u3067\u3059... permutation [1, 2, 3] = [ [1, 2, 3], [1, 3, 2], [2, 1, 3], [2, 3, 1], [3, 1, 2], [3, 2, 1] ]\u50d5\u304c\u6700\u521d\u306b\u3072\u2026","author_url":"https://blog.hatena.ne.jp/Otter_O/","author_name":"Otter_O","provider_name":"Hatena Blog","blog_title":"\u53d6\u308a\u6025\u304e\u30d6\u30ed\u30b0\u3067\u3059","width":"100%","height":"190","categories":["Haskell"],"image_url":null,"title":"\u9806\u5217\u7d44\u307f\u5408\u308f\u305b\u306e\u751f\u6210","provider_url":"https://hatena.blog","version":"1.0","blog_url":"https://otter-o.hatenadiary.org/","published":"2008-05-15 16:13:46","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fotter-o.hatenadiary.org%2Fentry%2F20080515%2F1210835626\" title=\"\u9806\u5217\u7d44\u307f\u5408\u308f\u305b\u306e\u751f\u6210 - \u53d6\u308a\u6025\u304e\u30d6\u30ed\u30b0\u3067\u3059\" 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://otter-o.hatenadiary.org/entry/20080515/1210835626","type":"rich"}