{"published":"2008-11-07 03:27:51","description":"One Div Zero: Monads are Elephants Part 1\u306e\u7ffb\u8a33\u7d9a\u304d\u3002 Monads Can Be Built In Different Ways(\u30e2\u30ca\u30c9\u306f\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u304c\u3044\u304f\u3064\u3082\u3042\u308b) So we've seen how the flatMap method can be built using map. map\u3092\u4f7f\u3063\u3066flatMap\u30e1\u30bd\u30c3\u30c9\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u3002 It's possible to go the other way: start with flatMap and create map based on it. \u9006\u3082\u53ef\u80fd\u3067\u3059\u3002flatMap\u3092\u30d9\u30fc\u30b9\u2026","url":"https://www.sakatakoichi.com/entry/20081106/1225934871","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.sakatakoichi.com%2Fentry%2F20081106%2F1225934871\" title=\"\u30e2\u30ca\u30c9\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u304f(11) - 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>","provider_url":"https://hatena.blog","title":"\u30e2\u30ca\u30c9\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u3044\u304f(11)","width":"100%","author_url":"https://blog.hatena.ne.jp/jyukutyo/","provider_name":"Hatena Blog","image_url":null,"blog_title":"Fight the Future","type":"rich","author_name":"jyukutyo","height":"190","version":"1.0","categories":["programming"],"blog_url":"https://www.sakatakoichi.com/"}