{"version":"1.0","author_url":"https://blog.hatena.ne.jp/nkgt_chkonk/","image_url":null,"width":"100%","blog_title":"\u732b\u578b\u306e\u84c4\u97f3\u6a5f\u306f 1 \u5206\u9593\u306b 45 \u56de\u306b\u3083\u3042\u3068\u9cf4\u304f","author_name":"nkgt_chkonk","blog_url":"https://nekogata.hatenablog.com/","categories":["Scala"],"provider_url":"https://hatena.blog","type":"rich","description":"\u3053\u308c\u306fClassi Advent Calendar 2018\u306e3\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 Classi\u3067\u3044\u308d\u3044\u308d\u3084\u3063\u3066\u308b\u3057\u3093\u307a\u3044\u3067\u3059\u3002\u6700\u8fd1\u306f\u300cScala\u5165\u5b66\u5f0f\u300d\u3068\u79f0\u3057\u3066Scala\u306b\u5165\u9580\u3057\u3066\u3082\u3089\u3046\u793e\u5185\u52c9\u5f37\u4f1a\u3092\u4e3b\u50ac\u3057\u3066\u3044\u307e\u3059\u3002 \u3068\u3044\u3046\u308f\u3051\u3067\u4eca\u65e5\u3082Scala\u306e\u8a71\u3067\u3059\u3002 Seq\u306e +: \u3068 :+ Scala\u306b\u306f\u9806\u5e8f\u3092\u6301\u3063\u305f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u62bd\u8c61\u3068\u3057\u3066Seq\u3068\u3044\u3046trait\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u306eSeq\u306e\u5148\u982d\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u306e\u306b +: \u304c\u3001\u6700\u5f8c\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u306e\u306b\u306f :+ \u304c\u4f7f\u3048\u307e\u3059\u3002 val s = Seq(1, 2, 3) println(0 +: s) // => List(0, 1, 2, 3) p\u2026","published":"2018-12-03 10:43:34","provider_name":"Hatena Blog","url":"https://nekogata.hatenablog.com/entry/2018/12/03/104334","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnekogata.hatenablog.com%2Fentry%2F2018%2F12%2F03%2F104334\" title=\"Scala\u306e `:+` \u3068 `+:` \u306b\u307e\u3064\u308f\u308b\u8a71 - \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>","height":"190","title":"Scala\u306e `:+` \u3068 `+:` \u306b\u307e\u3064\u308f\u308b\u8a71"}