{"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.sakatakoichi.com%2Fentry%2F20081107%2F1226026311\" title=\"\u30e2\u30ca\u30c9\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u304f(17) - Fight the Future\" 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","author_name":"jyukutyo","provider_url":"https://hatena.blog","categories":["programming"],"width":"100%","published":"2008-11-08 04:51:51","title":"\u30e2\u30ca\u30c9\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u304f(17)","author_url":"https://blog.hatena.ne.jp/jyukutyo/","blog_url":"https://www.sakatakoichi.com/","url":"https://www.sakatakoichi.com/entry/20081107/1226026311","version":"1.0","height":"190","description":"One Div Zero: Monads are Elephants Part 3\u306e\u7ffb\u8a33\u7d9a\u304d\u3002 \u30d5\u30a1\u30f3\u30af\u30bf\u30fc\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u3002 WTF - What The Functor?(\u30d5\u30a1\u30f3\u30af\u30bf\u30fc\u3068\u306f\u4f55\u304b\uff1f) Usually articles that start with words like \"monad\" and \"functor\" quickly devolve into soup of Greek letters. That's because both are abstract concepts in a branch of mathematics called category theor\u2026","image_url":null,"blog_title":"Fight the Future"}