{"id":34834,"date":"2017-11-29T01:02:23","date_gmt":"2017-11-28T16:02:23","guid":{"rendered":"https:\/\/blog.jetbrains.com\/jp\/?p=828"},"modified":"2017-11-29T01:02:23","modified_gmt":"2017-11-28T16:02:23","slug":"828","status":"publish","type":"post","link":"https:\/\/blog.jetbrains.com\/ja\/2017\/11\/29\/828\/","title":{"rendered":"Kotlin 1.2 \u30ea\u30ea\u30fc\u30b9: \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u306e\u30b3\u30fc\u30c9\u5171\u6709"},"content":{"rendered":"Kotlin 1.2\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306fKotlin\u3092\u30e2\u30c0\u30f3\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5168\u3066\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u6e21\u3063\u3066\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u5927\u304d\u306a\u4e00\u6b69\u3068\u306a\u308b\u30e1\u30b8\u30e3\u30fc\u30ea\u30ea\u30fc\u30b9\u3067\u3059\u3002\r\n\r\nKotlin 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module\u3092\u542b\u307f\u307e\u3059\u3002common module\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u72ec\u7acb\u3057\u305f\u30b3\u30fc\u30c9\u3068\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0(JVM\u307e\u305f\u306fJS)\u56fa\u6709\u306e\u30b3\u30fc\u30c9\u304b\u3089\u306a\u308a\u307e\u3059\u3002\u5f8c\u8005\u304b\u3089\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4f9d\u5b58\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u56fa\u6709\u306e\u30b3\u30fc\u30c9\u3092common module\u304b\u3089\u547c\u3073\u51fa\u3059\u306b\u306f\"expected\"\u5ba3\u8a00\u3092\u8a18\u8ff0\u3057\u3001\"expected\"\u5ba3\u8a00\u306b\u5bfe\u5fdc\u3059\u308b\"actual\"\u5b9f\u88c5\u3092\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5411\u3051\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\r\n\r\n\r\n\r\n\u3053\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u5bc4\u308a\u8a73\u3057\u304f\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(\u82f1\u8a9e)\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\r\n\r\n\u30ed\u30b8\u30c3\u30af\u3092common\u30b3\u30fc\u30c9\u5074\u306b\u3088\u308a\u591a\u304f\u8a18\u8f09\u51fa\u6765\u308b\u3088\u3046\u3001\u4ee5\u4e0b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u958b\u767a\u30fb\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059:\r\n\r\n\tkotlin.test: Kotlin 1.2\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30c6\u30b9\u30c8\u3092\u4e00\u5ea6\u66f8\u3051\u3070JVM\u3068JS\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059\r\n\tkotlinx.html:\u00a0\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0(isomorphic rendering)\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u540c\u3058\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u3082\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3082HTML\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\r\n\tkotlinx.serialization:\u00a0JSON\u307e\u305f\u306fProtoBuf\u3092\u30b7\u30ea\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u4f7f\u3063\u3066\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u306eKotlin\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53d7\u3051\u6e21\u3057\u3092\u7c21\u5358\u306b\u5b9f\u73fe\u3057\u307e\u3059\r\n\r\n\u306a\u304a\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u73fe\u5728\u5b9f\u9a13\u7684\u306a\u6a5f\u80fd(experimental feature)\u6271\u3044\u3067\u3059\u3002\u6a5f\u80fd\u81ea\u4f53\u306f\u5b89\u5b9a\u3057\u3066\u304a\u308a\u30d7\u30ed\u30c0\u30af\u30b7\u30e7\u30f3\u306b\u9069\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001\u4eca\u5f8c\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u5909\u66f4\u304c\u5fc5\u8981\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059(\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059)\u3002\r\n\u30b3\u30f3\u30d1\u30a4\u30eb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\r\n1.2\u306e\u958b\u767a\u306b\u3042\u305f\u308a\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u306b\u591a\u5927\u306a\u52aa\u529b\u3092\u8cbb\u3084\u3057\u307e\u3057\u305f\u3002\u3059\u3067\u306bKotlin 1.1\u3068\u6bd4\u8f03\u3057\u3066\u304a\u3088\u305d25%\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u30661.2.x\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u304a\u3044\u3066\u76f8\u5f53\u306a\u6539\u5584\u3092\u65bd\u305b\u308b\u898b\u5f53\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002\r\n\r\n\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\r\n\u8a00\u8a9e\u3084\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3082\u6539\u5584\u3092\u7a4d\u307f\u91cd\u306d\u3066\u3044\u307e\u3059:\r\n\r\n\t\u3088\u308a\u7c21\u6f54\u306a\u30b7\u30f3\u30bf\u30c3\u30af\u30b9:\u00a0\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u8907\u6570\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u914d\u5217\u30ea\u30c6\u30e9\u30eb\u3067\u7c21\u6f54\u306b\u306a\u308a\u307e\u3057\u305f\r\n\tlateinit\u00a0\u4fee\u98fe\u5b50\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3067\u306e\u30b5\u30dd\u30fc\u30c8\u3068\u00a0lateinit\u00a0\u5909\u6570\u304c\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306e\u30c1\u30a7\u30c3\u30af\u6a5f\u69cb\r\n\t\u3088\u308a\u8ce2\u3044\u30b9\u30de\u30fc\u30c8\u30ad\u30e3\u30b9\u30c8\u3068\u6539\u5584\u3055\u308c\u305f\u578b\u63a8\u8ad6\r\n\tJava 9\u3067\u5c0e\u5165\u3055\u308c\u305fsplit package\u5236\u7d04\u306b\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5bfe\u5fdc\r\n\tkotlin.math\u00a0\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u63d0\u4f9b\r\n\t\u30b7\u30fc\u30b1\u30f3\u30b9\u3068\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3002\u95a2\u6570\u30bb\u30c3\u30c8\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3084\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u56fa\u5b9a\u9577\u30b5\u30a4\u30ba\u306b\u5206\u5272\u3057\u3066\u30e9\u30c3\u30d7\u53ef\u80fd\r\n\r\n\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u3082\u542b\u3081\u3066\u8a73\u3057\u304f\u306fWhat\u2019s New in Kotlin 1.2(\u82f1\u8a9e)\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\r\n\u4e16\u754c\u306e\u3053\u3063\u3068\u308a\u30fc\u3093\uff01\r\n\u4eca\u5e743\u6708\u306bKotlin 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