{"published":"2018-07-03 15:34:51","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://nekogata.hatenablog.com/entry/2018/07/03/153451","image_url":null,"width":"100%","blog_url":"https://nekogata.hatenablog.com/","blog_title":"\u732b\u578b\u306e\u84c4\u97f3\u6a5f\u306f 1 \u5206\u9593\u306b 45 \u56de\u306b\u3083\u3042\u3068\u9cf4\u304f","height":"190","author_name":"nkgt_chkonk","description":"List(1, 2) match { case Seq(xs @ _*) => println(xs) } \u306e\u610f\u5473\u304c\u679c\u3066\u3057\u306a\u304f\u308f\u304b\u3089\u306a\u3044\u3093\u3060\u3051\u3069\u306a\u306b\u3053\u308c \u3068\u3044\u3046\u58f0\u3092\u8074\u3044\u305f\u3002\u305f\u3057\u304b\u306bScala\u306e\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u306b\u304a\u3044\u3066 @ \u306e\u6319\u52d5\u306f\u308f\u304b\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3002 Scala\u306e\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u3067\u306f\u3001@\u3092\u5229\u7528\u3057\u30662\u56de\u5909\u6570\u675f\u7e1b\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002 \u305f\u3068\u3048\u3070@\u3092\u4f7f\u308f\u306a\u3044\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u306e\u4f8b\u3068\u3057\u3066\u306f Option(1) match { case Some(x) => x * 2 case None => 0 } // => Int =2 \u3068\u3044\u3063\u305f\u3082\u306e\u304c\u8003\u3048\u3089\u308c\u308b\u3002\u4eca\u306fSome\u306e\u4e2d\u8eab\u3092x\u306b\u675f\u7e1b\u3057\u305f\u304c\u3001@\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnekogata.hatenablog.com%2Fentry%2F2018%2F07%2F03%2F153451\" title=\"Scala\u306e\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u3067\u306e@\u306e\u6319\u52d5 - \u732b\u578b\u306e\u84c4\u97f3\u6a5f\u306f 1 \u5206\u9593\u306b 45 \u56de\u306b\u3083\u3042\u3068\u9cf4\u304f\" 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","title":"Scala\u306e\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u3067\u306e@\u306e\u6319\u52d5","categories":[],"version":"1.0","author_url":"https://blog.hatena.ne.jp/nkgt_chkonk/"}