{"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flkozima.hatenablog.com%2Fentry%2F2014%2F09%2F15%2F013735\" title=\"An exercise in dependent types - \u8ad6\u7406\u3068\u304b\u8a08\u7b97\u6a5f\u3068\u304b\u6570\u5b66\u3068\u304b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"version":"1.0","author_name":"lkozima","provider_name":"Hatena Blog","title":"An exercise in dependent types","blog_title":"\u8ad6\u7406\u3068\u304b\u8a08\u7b97\u6a5f\u3068\u304b\u6570\u5b66\u3068\u304b","blog_url":"https://lkozima.hatenablog.com/","type":"rich","provider_url":"https://hatena.blog","height":"190","author_url":"https://blog.hatena.ne.jp/lkozima/","url":"https://lkozima.hatenablog.com/entry/2014/09/15/013735","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e\u7406\u8ad6\u3092\u8a08\u7b97\u6a5f\u4e0a\u3067\u8a18\u8ff0\u3059\u308b\u969b\u306b\u307b\u3068\u3093\u3069\u5e38\u306b\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u306e\u4e00\u3064\u306b\uff0c\u5bfe\u8c61\u8a00\u8a9e\u306e\u5909\u6570\u306e\u6271\u3044\u65b9\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u5909\u6570\u3092\u675f\u7e1b\u3059\u308b\u69cb\u6587\u3092\u542b\u3080\u8a00\u8a9e\uff08\u95a2\u6570\u578b\u8a00\u8a9e\u306f\u307b\u3068\u3093\u3069\u305d\u3046\uff09\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u306b\u306f\u907f\u3051\u3066\u901a\u308c\u306a\u3044\u554f\u984c\u3067\u3059\u3002\u4f55\u304c\u96e3\u3057\u3044\u306e\u304b\uff0c\u3069\u3046\u3044\u3046\u89e3\u6c7a\u7b56\u304c\u8003\u3048\u3089\u308c\u308b\u306e\u304b\u3068\u3044\u3063\u305f\u8a73\u7d30\u304c\u307e\u3068\u307e\u3063\u3066\u3044\u308b\u6587\u732e\u304c\u5b58\u5728\u3059\u308b\u306e\u304b\u3069\u3046\u304b\u77e5\u308a\u307e\u305b\u3093\u304c\uff0c\u6709\u540d\u304b\u3064\u91cd\u8981\u306a\u554f\u984c\u3067\u3042\u308a\uff0c\u304a\u305d\u3089\u304f\u53e4\u304f\u304b\u3089\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306a\u306e\u3067\u304d\u3063\u3068\u63a2\u305b\u3070\u3042\u308b\u3067\u3057\u3087\u3046\uff08\u63a2\u3057\u3066\u306a\u3044\uff09\u3002\u3053\u308c\u3092\u4f55\u3068\u304b\u3059\u308b\u65b9\u6cd5\u306f\u3044\u308d\u3044\u308d\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u304c (de Bruijn index, higher-order abstract syntax, etc)\uff0c\u305d\u308c\u3089\u3068\u2026","width":"100%","published":"2014-09-15 01:37:35"}