{"width":"100%","author_name":"bitterharvest","provider_name":"Hatena Blog","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/b/bitterharvest/20140819/20140819074932.png","categories":["Haskell\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8b1b\u5ea7\uff08\u4e2d\u7d1a\u7de8\uff09"],"height":"190","author_url":"https://blog.hatena.ne.jp/bitterharvest/","title":"Haskell\u3067\u5206\u91ce\u5411\u3051\u306e\u6a5f\u68b0\u3092\u958b\u767a\u3059\u308b\uff08\uff12\uff09","version":"1.0","published":"2014-08-20 14:25:32","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbitterharvest.hatenablog.com%2Fentry%2F2014%2F08%2F20%2F142532\" title=\"Haskell\u3067\u5206\u91ce\u5411\u3051\u306e\u6a5f\u68b0\u3092\u958b\u767a\u3059\u308b\uff08\uff12\uff09 - bitterharvest\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://bitterharvest.hatenablog.com/","provider_url":"https://hatena.blog","description":"\uff11\uff0e\u6570\u5f0f\u304b\u3089\u6728\u69cb\u9020\u3092\u4f5c\u6210\u3059\u308b\u6a5f\u68b0 \u300cHaskell\u3067\u6570\u5f0f\u3092\u30d3\u30b8\u30e5\u30a2\u30eb\u306b\u300d\u306e\u3068\u3053\u308d\u3067\u3082\u8aac\u660e\u3057\u305f\u304c\u3001\u4e00\u6b21\u5143\u306b\u66f8\u304b\u308c\u305f\u6570\u5f0f\u3092\u4e8c\u6b21\u5143\u306e\u6728\u69cb\u9020\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u4f8b\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3042\u308b\u3002 \u305d\u3053\u3067\u3001\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30fb\u30e2\u30ca\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u6570\u5f0f\u304b\u3089\u6728\u69cb\u9020\u3092\u4f5c\u6210\u3059\u308b\u6a5f\u68b0\u3092\u5b9f\u73fe\u3059\u308b\u3002 \uff12\uff0e\u547d\u4ee4\u306e\u96c6\u5408 \u6700\u521d\u306b\u6c7a\u3081\u308b\u306e\u306f\u3001\u547d\u4ee4\u306e\u96c6\u5408\u3067\u3042\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u30ce\u30fc\u30c9\u3068\u30ea\u30fc\u30d5\u3092\u4f5c\u6210\u3059\u308b\u547d\u4ee4\u306b\u5206\u3051\u3001\u524d\u8005\u3092InsOp\u3001\u5f8c\u8005\u3092InsVal\u3068\u3059\u308b\u3002InsOp\u306f\u52a0\u7b97\u304b\u4e57\u7b97\u3092\u5f15\u6570\u3068\u3057\u3066\u53d6\u308a\u3001InsVal\u306f\u6574\u6570\u3092\u5f15\u6570\u3068\u3057\u3066\u53d6\u308b\u3053\u3068\u3068\u3057\u3001\u578b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bfTreeI\u3092\u6b21\u306e\u3088\u3046\u306b\u5b9a\u3081\u308b\u3002 data TreeI a where InsOp :: C\u2026","type":"rich","blog_title":"bitterharvest\u2019s diary","url":"https://bitterharvest.hatenablog.com/entry/2014/08/20/142532"}