{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkatona.hatenadiary.org%2Fentry%2F20100616%2Fp1\" title=\"\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u7248\u30c1\u30e3\u30fc\u30c1\u6570\u306e\u52a0\u6e1b\u4e57\u9664 - MEMO:\u306f\u3066\u306a\u652f\u5e97\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","url":"https://katona.hatenadiary.org/entry/20100616/p1","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/katona/","published":"2010-06-16 00:00:00","version":"1.0","title":"\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u7248\u30c1\u30e3\u30fc\u30c1\u6570\u306e\u52a0\u6e1b\u4e57\u9664","author_name":"katona","width":"100%","categories":["Haskell"],"blog_url":"https://katona.hatenadiary.org/","height":"190","blog_title":"MEMO:\u306f\u3066\u306a\u652f\u5e97","image_url":null,"provider_name":"Hatena Blog","description":"\u305f\u3063\u305f\uff11\u3064\u306e\u95a2\u6570\u304b\u3089\u51fa\u767a\u3057\u3066\u6628\u65e5\u3084\u3063\u305f\u30c1\u30e3\u30fc\u30c1\u6570\u306e\u52a0\u6e1b\u4e57\u9664 - MEMO:\u306f\u3066\u306a\u652f\u5e97\u3092\u518d\u73fe\u3059\u308b\u3002 \u6700\u521d\u306b\u751f\u6210\u3057\u3066\u3044\u308b\u5404\u7a2e\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u306f\u30b3\u30e1\u30f3\u30c8\u3092\u3064\u3051\u3066\u3044\u308b\u304c\u3001m=\u306e\u3068\u3053\u308d\u304b\u3089\u306f\u57fa\u672c\u7684\u306b\u6628\u65e5\u3068\u540c\u3058\u306a\u306e\u3067\u7701\u7565\u3002 \u6700\u521d\u306e\u95a2\u6570x(Fokker\u7248\u306e\u4e00\u70b9\u57fa\u5e95\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf)\u3060\u3051\u306f\u666e\u901a\u306e\u95a2\u6570\u5b9a\u7fa9\u3060\u304c\u3001 \u305d\u308c\u4ee5\u964d\u306f\u95a2\u6570x\u306e\u9069\u7528\u306e\u307f\u306e\u305f\u3081\u3001unsafeCoerce\u3082x\u5185\u3067\uff11\u5ea6\u4f7f\u3046\u3060\u3051\u3067\u6e08\u3080\u3002 import Unsafe.Coerce x f = f (\\x y z -> x z $ y $ unsafeCoerce z) (\\x y z -> x) k = x x -- k x y = x s = x k -- \u2026"}