{"blog_title":"haxis_fx\u306e\u65e5\u8a18","width":"100%","height":"190","version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhaxis-fx.hatenadiary.org%2Fentry%2F20110707%2F1310005998\" title=\"Haskell\u306e\u578b\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066 - haxis_fx\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","description":"\u4eca\u5f8c\u3082\u4f7f\u3046\u4e88\u5b9a\u306a\u306e\u3067\u30e1\u30e2\u3057\u3068\u304f\u3002 \u8a73\u7d30\u306f\u2193\u306e\u6587\u7ae0\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\uff1a http://en.wikibooks.org/wiki/Haskell/Category_theoryHaskell\u306e\u578b\u30b7\u30b9\u30c6\u30e0\u304c\u570f\u3067\u3042\u308a\u3001\u3053\u3053\u3067Hask\u3068\u540d\u3092\u3064\u3051\u308b\u3002 Hask\u306e\u8981\u7d20\u306f\u4e0b\u8868\u901a\u308a\uff1a Category Hask objects \u578b\u306e\u96c6\u5408{Int, Double, String...} morphisms \u95a2\u6570: f:: a -> b domain \u4e0a\u8a18f\u306e\u578ba codomain \u4e0a\u8a18f\u306e\u578bb composition \u95a2\u6570\u306e\u7d50\u5408: f . g \u2192 (f . g) . h = f . (g . h) id id \u2026","categories":["\u5b66\u7fd2/\u5099\u5fd8","Haskell/Category theory"],"author_name":"haxis_fx","author_url":"https://blog.hatena.ne.jp/haxis_fx/","url":"https://haxis-fx.hatenadiary.org/entry/20110707/1310005998","title":"Haskell\u306e\u578b\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066","image_url":null,"blog_url":"https://haxis-fx.hatenadiary.org/","type":"rich","published":"2011-07-07 11:33:18"}