{"type":"rich","provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog","description":"\u30bf\u30d7\u30eb\u306eSeq\u306e\u7247\u5074\u306bflatMap\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u3063\u3066\u3001arrow\u306esecond\u3092\u4f7f\u3063\u305f\u3089\u3046\u307e\u304f\u3044\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 flatMap(\u77e5\u3063\u3066\u308b\u4eba\u306f\u98db\u3070\u3057\u3066\u3044\u3044) \u30bf\u30d7\u30eb\u306eSeq\u306b\u5bfe\u3057\u3066flatMap\u3057\u305f\u3044 \u30ca\u30a4\u30fc\u30d6\u306a\u89e3\u6cd51: f\u3092\u30bf\u30d7\u30eb\u306b\u62e1\u5f35\u3059\u308b \u30ca\u30a4\u30fc\u30d6\u306a\u89e3\u6cd52: lis\u306e\u7247\u5074\u306b\u3060\u3051f\u3092\u9069\u7528\u3059\u308b Arrow.second\u3092\u4f7f\u3063\u305f\u89e3\u6cd5 f\u3092Kleisli\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b cats.arrow.Arrow\u306e\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066flatMap(f.second.run)\u3059\u308b \u5168\u4f53\u306e\u30b3\u30fc\u30c9 \u307e\u3068\u3081 \u95a2\u9023\u8a18\u4e8b flatMap(\u77e5\u3063\u3066\u308b\u4eba\u306f\u98db\u3070\u3057\u3066\u3044\u3044) \u7686\u3055\u3093flatMap\u3063\u3066\u77e5\u3063\u3066\u307e\u3059\u304b\uff1f(YouTube\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.3qe.us%2Fentry%2F2023%2F05%2F05%2F220656\" title=\"Seq[(A, B)]\u306e\u7247\u5074\u3060\u3051\u306bflatMap\u3059\u308b\u306b\u306fcats.arrow\u3092\u4f7f\u3046 - Lambda\u30ab\u30af\u30c6\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://blog.3qe.us/entry/2023/05/05/220656","blog_url":"https://blog.3qe.us/","blog_title":"Lambda\u30ab\u30af\u30c6\u30eb","title":"Seq[(A, B)]\u306e\u7247\u5074\u3060\u3051\u306bflatMap\u3059\u308b\u306b\u306fcats.arrow\u3092\u4f7f\u3046","author_name":"Windymelt","author_url":"https://blog.hatena.ne.jp/Windymelt/","image_url":null,"height":"190","categories":["\u6280\u8853","scala","cats"],"version":"1.0","published":"2023-05-05 22:06:56"}