{"id":136782,"date":"2021-04-16T02:00:49","date_gmt":"2021-04-16T01:00:49","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=kotlin&#038;p=136782"},"modified":"2022-01-18T14:55:09","modified_gmt":"2022-01-18T13:55:09","slug":"kotlin-plugin-2021-1-released-ja","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ja\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released-ja\/","title":{"rendered":"Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3 2021.1 \u30ea\u30ea\u30fc\u30b9\uff1aIDE \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u6539\u5584"},"content":{"rendered":"<p>IntelliJ IDEA \u306e\u6700\u65b0\u30ea\u30ea\u30fc\u30b9\u3067\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3 2021.1 \u3067\u306f\u3001Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u6539\u5584\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u9ad8\u901f\u306a\u30b3\u30fc\u30c9\u88dc\u5b8c\u3068\u30cf\u30a4\u30e9\u30a4\u30c8\u6a5f\u80fd\u306b\u3088\u308b\u958b\u767a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u5411\u4e0a\u3001IDE \u306b\u3088\u308b\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc\u5909\u66f4\u306e\u30b5\u30dd\u30fc\u30c8\u5f37\u5316\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u30c7\u30d0\u30c3\u30b0\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u6539\u5584\u306a\u3069\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u65b0\u3057\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#code-completion-and-highlighting\">\u30b3\u30fc\u30c9\u88dc\u5b8c\u3068\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u901f\u5ea6\u6539\u5584<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#custom-getters-in-variables-view\">Variables \u30d3\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u305f\u30ab\u30b9\u30bf\u30e0 getter \u306e\u8a55\u4fa1<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#improved-change-signature-refactoring\">IDE \u306b\u3088\u308b Change Signature\uff08\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc\u306e\u5909\u66f4\uff09\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8\u5f37\u5316<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#code-completion-for-type-parameters\">\u578b\u5f15\u6570\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#class-diagrams-for-kotlin-code\">Kotlin \u30b3\u30fc\u30c9\u306e\u30af\u30e9\u30b9\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/04\/kotlin-plugin-2021-1-released\/#other-ide-improvements\">\u305d\u306e\u4ed6\u306e IDE \u306e\u6539\u5584<\/a><\/li>\n<\/ul>\n<h2>\u3053\u306e\u65b0\u30ea\u30ea\u30fc\u30b9\u3078\u306e\u81ea\u52d5\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/h2>\n<p>IntelliJ IDEA \u306f\u3001\u65b0\u30ea\u30ea\u30fc\u30b9\u304c\u516c\u958b\u3055\u308c\u305f\u6642\u70b9\u3067\u81ea\u52d5\u7684\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u305f\u3081\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>IntelliJ IDEA \u3092\u521d\u3081\u3066\u304a\u4f7f\u3044\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u6700\u65b0\u306e Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f<a href=\"https:\/\/www.jetbrains.com\/idea\/download\/\" target=\"_blank\" rel=\"noopener\">\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a name=\"code-completion-and-highlighting\"><\/a><\/p>\n<h2>\u30b3\u30fc\u30c9\u88dc\u5b8c\u3068\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u901f\u5ea6\u6539\u5584<\/h2>\n<p>IDE \u306b\u3088\u308b\u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u3084\u88dc\u5b8c\u5019\u88dc\u306e\u51e6\u7406\u3092\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u3001\u5feb\u9069\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u697d\u3057\u3081\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 JetBrains \u306f\u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3068\u30b3\u30fc\u30c9\u88dc\u5b8c\u3092\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u6a5f\u80fd\u3055\u305b\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044 Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306f\u3001Kotlin \u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u3068\u88dc\u5b8c\u51e6\u7406\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u6539\u5584\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u306b\u3088\u308b\u3068\u3001\u30cf\u30a4\u30e9\u30a4\u30c8\u306e\u51e6\u7406\u901f\u5ea6\u306f 25%\u3001\u30b3\u30fc\u30c9\u88dc\u5b8c\u306e\u51e6\u7406\u901f\u5ea6\u306f 50% \u8d85\u6539\u5584\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001Java \u306e\u5834\u5408\u3068\u307b\u307c\u540c\u7b49\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\"><strong>\u6ce8\u610f\uff1a<\/strong>\u3053\u308c\u3089\u306e\u6570\u5024\u306f\u3042\u304f\u307e\u3067\u3082\u5f0a\u793e\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u3067\u3059\u3002 \u304a\u5ba2\u69d8\u306e\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u5f0a\u793e\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u307b\u3069\u5927\u5e45\u306b\u306f\u6539\u5584\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u5834\u5408\u3067\u3082\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u5b9f\u611f\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/div>\n<h3>\u65b0\u3057\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306e Kotlin \u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a<\/h3>\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a\u901f\u5ea6\u3092 Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\uff082020.3\uff09\u3068\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\uff082021.1\uff09\u3067\u6bd4\u8f03\u3057\u305f\u30c7\u30fc\u30bf\u3067\u3059\u3002 \u3053\u306e\u7d50\u679c\u306f\u3001\u8907\u96d1\u306a Kotlin \u30d5\u30a1\u30a4\u30eb\u3067\u306e\u30b3\u30fc\u30c9\u30cf\u30a4\u30e9\u30a4\u30c8\u52d5\u4f5c\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u793e\u5185\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30c6\u30b9\u30c8\u306b\u57fa\u3065\u3044\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/04\/faster-code-highlighting.jpg\" alt=\"Kotlin \u30b3\u30fc\u30c9\u306e\u30cf\u30a4\u30e9\u30a4\u30c8\u901f\u5ea6\u6539\u5584\"><\/p>\n<h3>\u65b0\u3057\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306e Kotlin \u30b3\u30fc\u30c9\u88dc\u5b8c<\/h3>\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u30b3\u30fc\u30c9\u306e\u88dc\u5b8c\u51e6\u7406\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30d0\u30fc\u30b8\u30e7\u30f3 2020.3 \u3068\u30d0\u30fc\u30b8\u30e7\u30f3 2021.1 \u3067\u6bd4\u8f03\u3057\u305f\u30c7\u30fc\u30bf\u3067\u3059\u3002 \u3053\u306e\u7d50\u679c\u306f\u3001\u8907\u96d1\u306a Kotlin \u30d5\u30a1\u30a4\u30eb\u3067\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c\u52d5\u4f5c\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u793e\u5185\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30c6\u30b9\u30c8\u306b\u57fa\u3065\u3044\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/04\/faster-code-completion.jpg\" alt=\"Kotlin \u30b3\u30fc\u30c9\u306e\u88dc\u5b8c\u901f\u5ea6\u6539\u5584\"><\/p>\n<p><a name=\"improved-change-signature\"><\/a><\/p>\n<h2>IDE \u306b\u3088\u308b\u30b7\u30b0\u30cd\u30c1\u30e3\u30fc\u5909\u66f4\u306e\u30b5\u30dd\u30fc\u30c8\u5f37\u5316<\/h2>\n<p>\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3067 <a href=\"https:\/\/pleiades.io\/help\/idea\/change-signature.html\" target=\"_blank\" rel=\"noopener\">Change Signature \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a>\u3092\u4f7f\u7528\u3057\u305f\u3053\u3068\u306e\u3042\u308b\u65b9\u306f\u3001\u554f\u984c\u3084\u5236\u9650\u4e8b\u9805\u306b\u60a9\u307e\u3055\u308c\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u305a\u306b\u5177\u4f53\u7684\u306a\u554f\u984c\u306e\u5185\u5bb9\u3084\u539f\u56e0\u3092\u628a\u63e1\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u65b0\u3057\u3044 Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3068\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-685\" target=\"_blank\" rel=\"noopener\">Change Signature \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u5bfe\u3057\u3066\u5b9f\u88c5\u3055\u308c\u305f 40 \u4ef6\u4ee5\u4e0a\u306e\u30d0\u30b0\u4fee\u6b63\u3084\u6539\u5584<\/a>\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u91cd\u8981\u306a\u6539\u5584\u70b9\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u51fa\u529b\u30b3\u30fc\u30c9\u306b\u4e0d\u5177\u5408\u304c\u767a\u751f\u3057\u3046\u308b\u5927\u90e8\u5206\u306e\u30b1\u30fc\u30b9\u3092\u691c\u51fa\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-966\" target=\"_blank\" rel=\"noopener\">\u8a00\u8a9e\u6a2a\u65ad\u7684\u306a\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a>\u3092\u542b\u3080\u3001\u7d99\u627f\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u5bfe\u3059\u308b\u4fee\u6b63\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/li>\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e UX \u3092\u6539\u5584\u3057\u307e\u3057\u305f\u3002<\/li>\n<li><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-903\" target=\"_blank\" rel=\"noopener\">\u65b0\u3057\u3044\u30c7\u30d5\u30a9\u30eb\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5024\u306e\u5ba3\u8a00\u65b9\u6cd5\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\n<li>\u30d0\u30c3\u30af\u30af\u30a9\u30fc\u30c8\u306e\u51e6\u7406\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p><a name=\"custom-getters-in-variables-view\"><\/a><\/p>\n<h2>Variables \u30d3\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u305f\u30ab\u30b9\u30bf\u30e0 getter \u306e\u8a55\u4fa1<\/h2>\n<p>\u5f0a\u793e\u306e\u793e\u5185\u8abf\u67fb\u7d50\u679c\u304b\u3089\u3001\u958b\u767a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f Kotlin \u306e\u30c7\u30d0\u30c3\u30b0\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5927\u5e45\u306b\u6539\u5584\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u53d6\u308a\u7d44\u307f\u3092\u5b9f\u65bd\u3059\u308b\u305f\u3081\u3001\u3059\u3067\u306b<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-44330\" target=\"_blank\" rel=\"noopener\">\u591a\u304f\u306e\u8a08\u753b<\/a>\u304c\u7acb\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001<strong>Variables<\/strong> \u30d3\u30e5\u30fc\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u5c0f\u898f\u6a21\u306a\u304c\u3089\u3082\u91cd\u8981\u306a\u6539\u5584\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f93\u6765\u3001\u30c7\u30d0\u30c3\u30b0\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u30ab\u30b9\u30bf\u30e0 getter \u3092\u6301\u305f\u306a\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3068<a href=\"https:\/\/kotlinlang.org\/docs\/properties.html#backing-fields\" target=\"_blank\" rel=\"noopener\">\u30d0\u30c3\u30ad\u30f3\u30b0\u30d5\u30a3\u30fc\u30eb\u30c9<\/a>\u3092\u6301\u3064\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u307f\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002 \u30ab\u30b9\u30bf\u30e0 getter \u3092\u6301\u3064\u30d7\u30ed\u30d1\u30c6\u30a3\u306f JVM \u3067\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u3066\u3044\u305f\u305f\u3081\u3001\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002 \u30d0\u30fc\u30b8\u30e7\u30f3 2021.1 \u306e Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u3059\u3079\u3066\u8868\u793a\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306e\u8fd1\u304f\u306b\u3042\u308b <code>get()<\/code> \u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u8a55\u4fa1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u969b\u306b\u306f <code>get()<\/code> \u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u3066 <code>versionString<\/code> \u306e\u5024\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"kotlin-code\" data-highlight-only=\"true\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\nclass LanguageVersion(val major: Int, val minor: Int) {\nval isStable: Boolean\nget() = major &lt;= 1 &amp;&amp; minor &lt;= 4\nval isExperimental: Boolean\nget() = !isStable\nval versionString: String\nget() = &quot;$major.$minor&quot;\noverride fun toString() = versionString\n}\nfun main() {\nval version = LanguageVersion(1, 4)\n}\n<\/pre>\n<p><strong>Debug<\/strong> \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/04\/debugging-variables-view.png\" alt=\"Debugging in Variables view\"><\/p>\n<p>\u3053\u306e\u6a5f\u80fd\u3092\u304a\u8a66\u3057\u3044\u305f\u3060\u304d\u3001\u3054\u610f\u898b\u304c\u3042\u308b\u5834\u5408\u3001<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-19752\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089\u306e\u30c1\u30b1\u30c3\u30c8<\/a>\u304b\u3053\u306e\u8a18\u4e8b\u306e\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a name=\"code-completion-for-type-parameters\"><\/a><\/p>\n<h2>\u578b\u5f15\u6570\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c<\/h2>\n<p>\u65b0\u3057\u3044 Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u578b\u5f15\u6570\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002 \u5f93\u6765\u306f\u3053\u306e\u30b3\u30fc\u30c9\u3092 IDE \u306e\u652f\u63f4\u6a5f\u80fd\u306b\u983c\u3089\u305a\u3001\u624b\u52d5\u3067\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u5f8c\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306e\u5f8c\u3067\u95a2\u6570\u3084\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c\u5019\u88dc\u304c\u8868\u793a\u3055\u308c\u3001\u5fc5\u8981\u306a\u7b87\u6240\u3067\u578b\u5f15\u6570\u304c\u88dc\u5b8c\u3055\u308c\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\u30ea\u30b9\u30c8\u304b\u3089\u9078\u629e\u3059\u308b\u3068\u3001IDE \u304c\u5148\u884c\u3059\u308b\u30b3\u30fc\u30c9\u306b\u9069\u5207\u306a\u578b\u5f15\u6570\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001IDE \u304c\u81ea\u52d5\u7684\u306b <code>&lt;String&gt;()<\/code> \u578b\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/04\/code-completion-type-arguments.png\" alt=\"\u578b\u5f15\u6570\u306e\u30b3\u30fc\u30c9\u88dc\u5b8c\"><\/p>\n<p>IDE \u306b\u3088\u3063\u3066\u63d0\u6848\u3055\u308c\u305f\u88dc\u5b8c\u5019\u88dc\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: hidden; padding: 36px 0;\" data-highlight-only=\"true\">fun typeArgumentsAtCodeCompletion() {\n\/\/ Function definition from stdlib:\n\/\/ public fun &lt;T&gt; emptyList(): List&lt;T&gt;\nval listA: List&lt;String&gt; = emptyList() \/\/ T is inferred from the context (explicit variable type)\nval listB: List&lt;String&gt; =\nemptyList&lt;String&gt;().reversed() \/\/ type argument for emptyList() is required to evaluate expression type\n}\n<\/pre>\n<p><a name=\"class-diagrams-for-kotlin-code\"><\/a><\/p>\n<h2>\u30af\u30e9\u30b9\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u3088\u308b Kotlin \u30b3\u30fc\u30c9\u306e\u69cb\u9020\u30ec\u30d3\u30e5\u30fc<\/h2>\n<p>\u65b0\u30ea\u30ea\u30fc\u30b9\u306f\u3001UML \u30af\u30e9\u30b9\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u3088\u308b Kotlin \u30b3\u30fc\u30c9\u306e\u69cb\u9020\u30ec\u30d3\u30e5\u30fc\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002 \u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001<strong>Project View<\/strong> \u3067 <strong>Diagrams | Show Diagram\u2026 | Kotlin Classes<\/strong> \u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/04\/kotlin-classes-uml-diagram.png\" alt=\"Kotlin \u30b3\u30fc\u30c9\u306e UML \u30af\u30e9\u30b9\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\"><\/p>\n<p><a name=\"other-ide-improvements\"><\/a><\/p>\n<h2>\u305d\u306e\u4ed6\u306e IDE \u306e\u6539\u5584<\/h2>\n<p>Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3068 IntelliJ Platform \u304c\u540c\u3058\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306b\u79fb\u52d5\u3055\u308c\u3066\u540c\u6642\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305f\u3081\u3001\u6b21\u306e\u6a5f\u80fd\u306b\u3088\u3063\u3066 Kotlin \u306e\u958b\u767a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.jetbrains.com\/ja-jp\/idea\/whatsnew\/#debugger\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA 2020.3 \u30ea\u30ea\u30fc\u30b9<\/a>\u3067\u767a\u8868\u3055\u308c\u305f Gradle run \u7d4c\u7531\u306e\u57fa\u672c\u7684\u306a\u30e1\u30e2\u30ea\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u30fc\u306e\u4f7f\u7528\u3002<\/li>\n<li><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-826\" target=\"_blank\" rel=\"noopener\">\u30b3\u30eb\u30fc\u30c1\u30f3\u5185\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u4e0d\u9069\u5207\u306a\u547c\u3073\u51fa\u3057<\/a>\u306b\u95a2\u3059\u308b\u8b66\u544a\u306e\u53d6\u5f97\u3002<\/li>\n<li><a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-679\" target=\"_blank\" rel=\"noopener\">\u4e09\u91cd\u5f15\u7528\u7b26\u306e\u4f7f\u7528<\/a>\u3068<a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KTIJ-855\" target=\"_blank\" rel=\"noopener\">\u6587\u5b57\u5217\u9023\u7d50<\/a>\u306b\u969b\u3057\u3066\u767a\u751f\u3059\u308b\u8a00\u8a9e\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u554f\u984c\u306e\u56de\u907f\u3002<\/li>\n<\/ul>\n<h2>\u4ee5\u4e0b\u3082\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044<\/h2>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/whatsnew-plugin-20211.html\" target=\"_blank\" rel=\"noopener\">Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3 2021.1 \u306e\u65b0\u6a5f\u80fd<\/a><\/li>\n<li>IntelliJ IDEA 2021.1 \u306e\u65b0\u6a5f\u80fd\u306b\u95a2\u3059\u308b<a href=\"https:\/\/www.jetbrains.com\/ja-jp\/idea\/whatsnew\/\" target=\"_blank\" rel=\"noopener\">\u30da\u30fc\u30b8<\/a>\u3068<a href=\"https:\/\/youtu.be\/YBmR0J3-r3o?t=567\" target=\"_blank\" rel=\"noopener\">\u52d5\u753b<\/a>\u3002<\/li>\n<\/ul>\n","protected":false},"author":811,"featured_media":131723,"comment_status":"closed","ping_status":"closed","template":"","categories":[907],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/136782"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/811"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=136782"}],"version-history":[{"count":8,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/136782\/revisions"}],"predecessor-version":[{"id":218422,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/136782\/revisions\/218422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/131723"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=136782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=136782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=136782"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=136782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}