{"categories":["Scala"],"description":"flatten + map\u3068\u3044\u3046\u3075\u3046\u306b\u89e3\u91c8\u3055\u308c\u308bflatMap\u3060\u3051\u3069\u3001\u305f\u3076\u3093\u3044\u308d\u3044\u308d\u306a\u4f7f\u3044\u65b9\u304c\u3042\u3063\u305f\u308a\u3059\u308b\u3002 \u671f\u5f85\u3059\u308b\u52d5\u4f5c\u3092\u3084\u3089\u305b\u305f\u3044\u306e\u3067\u3042\u308c\u3070flatten\u3068map\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3082\u3044\u3044\u3057\u3001\u9006\u306bmap\u3060\u3051\u3001flatten\u3060\u3051\u3067\u3082\u3088\u304b\u3063\u305f\u308a\u3059\u308b\u3002 \u3053\u306e\u3042\u305f\u308a\u306e\u6319\u52d5\u304c\u3088\u304f\u308f\u304b\u3063\u3066\u3044\u306a\u3044\u3002 flatMap\u306e\u4e2d\u306e\u95a2\u6570\u306e\u623b\u308a\u5024\u306fscala.collection.GenTraversableOnce[?]\u3060\u3063\u305f\u308a\u3059\u308b\u3089\u3057\u3044\u306e\u3067\u3001\u305d\u3053\u3089\u3078\u3093\u306e\u6319\u52d5\u306b\u8e93\u3044\u3066\u304a\u4ea1\u304f\u306a\u308a\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3002 scala> List(\"1,1,1\",\"2\",\"3\").flatMap(_.split(\",\")) res0: List[S\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2Firoiro_flatmap\" title=\"flatMap\u3044\u308d\u3044\u308d - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"flatMap\u3044\u308d\u3044\u308d","image_url":null,"url":"https://www.shigemk2.com/entry/iroiro_flatmap","height":"190","version":"1.0","width":"100%","blog_url":"https://www.shigemk2.com/","type":"rich","blog_title":"by shigemk2","author_url":"https://blog.hatena.ne.jp/shigemk2/","published":"2015-12-04 00:33:23","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"shigemk2"}