{"published":"2011-11-30 02:12:41","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Feagletmt.hatenadiary.org%2Fentry%2F20111130%2F1322673161\" title=\" \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c1\u30a7\u30c3\u30af\u3092\u4e00\u5ea6\u3067\u6e08\u307e\u3059 - EAGLE \u96d1\u8a18\" 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","url":"https://eagletmt.hatenadiary.org/entry/20111130/1322673161","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_title":"EAGLE \u96d1\u8a18","image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/eagletmt/","height":"190","blog_url":"https://eagletmt.hatenadiary.org/","author_name":"eagletmt","title":" \u30e9\u30f3\u30bf\u30a4\u30e0\u306e\u30c1\u30a7\u30c3\u30af\u3092\u4e00\u5ea6\u3067\u6e08\u307e\u3059","categories":["Haskell"],"type":"rich","description":"http://d.hatena.ne.jp/Lost_dog/20111128/1322504143 reify_integer \u304c\u304a\u3082\u3057\u308d\u3044\u306a\u30fc\u3068\u601d\u3063\u305f\uff0e \u3053\u308c\u3068\u540c\u3058\u96f0\u56f2\u6c17\u3067\uff0c dependent type \u306e\u4f8b\u306b\u3088\u304f\u51fa\u3066\u304f\u308b\u300c\u9577\u3055 n \u306e\u30d9\u30af\u30c8\u30eb\u578b Vec n a\u300d\u306b\u3064\u3044\u3066\u3053\u3093\u306a\u306e\u304c\u66f8\u3051\u305d\u3046\uff0e \u540c\u3058\u9577\u3055 n \u306e\u30d9\u30af\u30c8\u30eb\u540c\u58eb\u3060\u3051 zipWith\uff0e\u9577\u3055\u304c\u7570\u306a\u308b\u30d9\u30af\u30c8\u30eb\u540c\u58eb\u3060\u3068\u578b\u304c\u5408\u308f\u305a\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff0e\u9577\u3055\u304c\u7b49\u3057\u3044\u3053\u3068\u306f sameLength \u3067\u30e9\u30f3\u30bf\u30a4\u30e0\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\uff0c\u4e00\u5ea6\u30c1\u30a7\u30c3\u30af\u3059\u308c\u3070\u305d\u308c\u4ee5\u964d\u306f\u578b\u3067\u4fdd\u8a3c\u3055\u308c\u308b\uff0e {-# LANGUAGE Rank2Types, GADTs, \u2026"}