{"width":"100%","type":"rich","version":"1.0","author_name":"shigemk2","description":"groups.google.com scala> val m = Map(\"a\"->2, \"b\"->3) m: scala.collection.immutable.Map[String,Int] = Map(a -> 2, b -> 3) scala> m.size res0: Int = 2 \u30b5\u30a4\u30ba\u3092\u3068\u308a\u305f\u3044\u3068\u304d\u306f\u6587\u5b57\u901a\u308asize\u3067\u3001length \u3067\u306f\u306a\u3044\u3002\u308f\u304b\u308a\u3065\u3089\u3044\u3002","url":"https://www.shigemk2.com/entry/scala_map_size","title":"Map\u306esize","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2Fscala_map_size\" title=\"Map\u306esize - 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>","categories":["Scala"],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","author_url":"https://blog.hatena.ne.jp/shigemk2/","blog_url":"https://www.shigemk2.com/","published":"2015-11-01 00:01:00","image_url":null,"blog_title":"by shigemk2"}