{"provider_url":"https://hatena.blog","title":"\u95a2\u624b\u30fc\u570f\u306e\u570f","categories":["\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u305f\u3081\u306e\u570f\u8ad6 (\u521d\u7d1a\u7de8\uff1a\u570f\u8ad6\u3068Haskell)"],"version":"1.0","author_url":"https://blog.hatena.ne.jp/bitterharvest/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbitterharvest.hatenablog.com%2Fentry%2F2017%2F02%2F21%2F161333\" title=\"\u95a2\u624b\u30fc\u570f\u306e\u570f - 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>","author_name":"bitterharvest","blog_url":"https://bitterharvest.hatenablog.com/","blog_title":"bitterharvest\u2019s diary","width":"100%","published":"2017-02-21 16:13:33","description":"\uff16\uff0e\uff14 \u570f\u306e\u570f \u570f\u3068\u570f\u3068\u3092\u3064\u306a\u3050\u5c04\u306f\u95a2\u624b\u3068\u3044\u3046\u7279\u5225\u306a\u540d\u524d\u304c\u3064\u3044\u3066\u3044\u308b\u304c\u5c04\u3067\u3042\u308b\u3053\u3068\u306b\u5909\u308f\u308a\u306f\u306a\u3044\u3002\u5f93\u3063\u3066\u3001\u4e8c\u3064\u306e\u95a2\u624b\u3092\u5408\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u306f\u305a\u3060\u3002\u56f3\u306e\u3088\u3046\u306b\u3001\u4e09\u3064\u306e\u570f\\({\\mathcal C}\\),\\({\\mathcal D}\\),\\({\\mathcal E}\\)\u3092\u8003\u3048\u3066\u307f\u3088\u3046\u3002\\({\\mathcal C}\\)\u304b\u3089\\({\\mathcal D}\\)\u3078\u306f\u95a2\u624b\\(F\\)\u3067\u3001\\({\\mathcal D}\\)\u304b\u3089\\({\\mathcal E}\\)\u3078\u306f\u95a2\u624b\\(G\\)\u3067\u5199\u50cf\u3055\u308c\u3066\u3044\u308b\u3068\u3059\u308b\u3002\u305d\u3057\u3066\u3001\u95a2\u624b\u306e\u5408\u6210\\(G \\circ F\\)\u304c\u5b58\u5728\u3059\u308b\u3068\u3057\u3088\u3046\u3002 \u307e\u305f\u3001\\({\\mathcal C}\\),\\({\\ma\u2026","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/bitterharvest/20170221/20170221160425.png","height":"190","url":"https://bitterharvest.hatenablog.com/entry/2017/02/21/161333","type":"rich"}