{"id":58276,"date":"2020-07-16T09:55:12","date_gmt":"2020-07-16T09:55:12","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=kotlin&#038;p=58276"},"modified":"2020-07-21T11:04:13","modified_gmt":"2020-07-21T11:04:13","slug":"kotlin-1-4-m3-ko","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ko\/kotlin\/2020\/07\/kotlin-1-4-m3-ko\/","title":{"rendered":"Kotlin 1.4-M3 \ucd9c\uc2dc: \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac \ubcc0\uacbd \uc0ac\ud56d"},"content":{"rendered":"<p>Kotlin 1.4\uc758 \ucd5c\uc885 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc778 <strong>1.4-M3<\/strong> \ubc84\uc804\uc744 \uae30\uc05c \ub9c8\uc74c\uc73c\ub85c \uc18c\uac1c\ud569\ub2c8\ub2e4. \uc774\ubc88 \uac8c\uc2dc\uae00\uc5d0\uc11c\ub294 \uc774\ubc88 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc774 Kotlin \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0 \ucd94\uac00\ud560 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc124\uba85\ud574\ub4dc\ub9b4 \uc608\uc815\uc785\ub2c8\ub2e4. \ub610\ud55c M3\uc758 \uae30\ud0c0 \uad6c\uc131 \uc694\uc18c\uc5d0\ub3c4 \uc5c5\ub370\uc774\ud2b8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uace7 \ub2e4\ub978 \ube14\ub85c\uadf8 \uac8c\uc2dc\uae00\uc744 \ud1b5\ud574 Kotlin 1.4\uc758 \ub9c8\uc9c0\ub9c9 \ubc84\uc804\uc774 \ub420 \ub9b4\ub9ac\uc2a4 \ud6c4\ubcf4 \ubc84\uc804(1.4-RC)\uc5d0 \ub300\ud55c \uc815\ubcf4\ub3c4 \ub2e4\ub8f0 \uc608\uc815\uc785\ub2c8\ub2e4.<\/p>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#how-to-try\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/07\/Blog_Banners_m3_1500h751.png\" alt=\"\" width=\"1501\" height=\"752\" class=\"alignnone size-full wp-image-55596\" \/><\/a><\/p>\n<p>1.4-M3\uc758 \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac \ubcc0\uacbd \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc774\uc81c JVM \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0\uc11c <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#module-info\"><code>module-info<\/code> \uc124\uba85\uc790\uac00 \uc9c0\uc6d0\ub429\ub2c8\ub2e4.<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#fun-interfaces-in-stdlib\">\ud568\uc218\ud615 \uc778\ud130\ud398\uc774\uc2a4<\/a>\uac00 \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0 \ucd94\uac00\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#collection-operations\">\uc2e0\uaddc \uceec\ub809\uc158 \uc5f0\uc0b0\uc774 <\/a> \uc2e4\uc81c \uc0ac\ub840\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#common-throws-annotation\"><code>@Throws<\/code> \uc5b4\ub178\ud14c\uc774\uc158<\/a>\uc774 \uc77c\ubc18 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0\uc11c \uc9c0\uc6d0\ub429\ub2c8\ub2e4.<\/li>\n<li>\ubd80\ub3d9 \uc18c\uc218\uc810 \ubc30\uc5f4\uc758 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#equality-in-floating-point-arrays\"> \uc77c\ubd80 \ud568\uc218\uac00 \ub354\uc774\uc0c1 \uc0ac\uc6a9 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/a><\/li>\n<\/ul>\n<p>\uc804\uccb4 \ubcc0\uacbd \ubaa9\ub85d\uc740 <a href=\"https:\/\/github.com\/JetBrains\/kotlin\/blob\/1.4-M3\/ChangeLog.md\" target=\"_blank\" rel=\"noopener\">\ubcc0\uacbd \ub85c\uadf8<\/a>\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5b8\uc81c\ub098 \uadf8\ub807\ub4ef\uc774 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#external-contributors\">\uc678\ubd80 \uae30\uc5ec\uc790\ub4e4<\/a>\uaed8 \uc9c4\uc2ec\uc73c\ub85c \uac10\uc0ac\uc758 \ub9d0\uc500\uc744 \uc804\ud569\ub2c8\ub2e4.<\/p>\n<p><a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#how-to-try\">\ud14c\uc2a4\ud2b8 \ubc84\uc804\uc744 \uc0ac\uc6a9<\/a>\ud558\uace0 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes#share-your-feedback\">\ud53c\ub4dc\ubc31\uc744 \uacf5\uc720<\/a>\ud574\uc8fc\uc2e0\ub2e4\uba74 \uc815\ub9d0 \uac10\uc0ac\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p><!--\uadf8 \uc678 \ub2e4\uc591\ud55c \uc9c0\uc6d0--><\/p>\n<h2 id=\"module-info\">\uc774\uc81c \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc544\ud2f0\ud329\ud2b8\uc5d0 module-info \uc124\uba85\uc790\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/h2>\n<p>Java 9\ubd80\ud130 Jigsaw \ud504\ub85c\uc81d\ud2b8\ub97c \ud65c\uc6a9\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ubaa8\ub4c8\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/11\/tools\/jlink.html\" target=\"_blank\" rel=\"noopener\"><strong>jlink<\/strong> \ub3c4\uad6c<\/a>\ub97c \ud1b5\ud574 \uc571\uc5d0 \ud544\uc694\ud55c \ud50c\ub7ab\ud3fc \ubaa8\ub4c8\ub9cc\uc774 \ud3ec\ud568\ub41c \uc0ac\uc6a9\uc790 \uc9c0\uc815 Java \ub7f0\ud0c0\uc784 \uc774\ubbf8\uc9c0\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc804\uc5d0\ub3c4 <code>jlink<\/code>\uc640 Kotlin \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc544\ud2f0\ud329\ud2b8\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uac00\ub2a5\ud588\uc9c0\ub9cc &quot;\ubaa8\ub4c8&quot; \ubd84\ub958\uc790\uac00 \uc788\ub294 \ubcc4\ub3c4\uc758 \uc544\ud2f0\ud329\ud2b8\uac00 \ud544\uc694\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\uccb4 \uc124\uc815\uc740 \uc9c1\uad00\uc801\uc774\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. Android \ud234\ub9c1 \uc774\uc288\ub85c \uc778\ud574 \ubaa8\ub4c8 \uc124\uba85\uc790\ub97c \uba54\uc778 \uc544\ud2f0\ud329\ud2b8\uc5d0 \ucd94\uac00\ud560 \uc218 \uc5c6\ub294 \ubb38\uc81c\uac00 \uc788\uc5c8\uc9c0\ub9cc \ud604\uc7ac\ub294 \uc218\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>Kotlin 1.4\uc5d0\uc11c\ub294 <code>module-info.java<\/code> \ubaa8\ub4c8 \uc815\ubcf4\ub97c \ub514\ud3f4\ud2b8 \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc544\ud2f0\ud329\ud2b8\uc5d0 \ucd94\uac00\ud558\ubbc0\ub85c <code>jlink<\/code>\uc640 \ub354\ubd88\uc5b4 \ud3b8\ub9ac\ud558\uac8c \uc0ac\uc6a9\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Android \uac1c\ubc1c \uc2dc\uc5d0\ub294 module-info\uac00 \ud3ec\ud568\ub41c JAR \ud30c\uc77c\uc744 \uc801\uc808\ud788 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 Android Gradle 3.2 \ubc84\uc804 \uc774\uc0c1\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n<h2 id=\"fun-interfaces-in-stdlib\">\ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 fun interface<\/h2>\n<p>Kotlin 1.4\ub294 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2019\/12\/what-to-expect-in-kotlin-1-4-and-beyond\/#sam-conversions\">Kotlin \ud074\ub798\uc2a4\uc5d0 SAM \ubcc0\ud658\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4<\/a>. \ub2e8\uc77c \ucd94\uc0c1 \uba54\uc18c\ub4dc\ub9cc\uc774 \ud3ec\ud568\ub41c \uc778\ud130\ud398\uc774\uc2a4\ub97c <code>fun interface<\/code>\ub85c \ud45c\uc2dc\ud558\uace0 \ud574\ub2f9 \uc778\ud130\ud398\uc774\uc2a4\uac00 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc608\uc0c1\ub420 \uacbd\uc6b0 \ub78c\ub2e4\ub97c \uc778\uc218\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0\uc11c <code>fun interface<\/code>\ub85c \uc120\uc5b8\ub41c \uc778\ud130\ud398\uc774\uc2a4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><code>Comparator<\/code><\/li>\n<li><code>ReadOnlyProperty<\/code><\/li>\n<li><code>PropertyDelegateProvider<\/code> (<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/05\/1-4-m2-standard-library\/#property-delegation-improvements\">1.4-M2<\/a>\uc5d0 \ub3c4\uc785\ub428)<\/li>\n<\/ul>\n<p>\uc778\uc2a4\ud134\uc2a4 \uc0dd\uc131 \uc2dc \ub9e4\uac1c\ubcc0\uc218\ub85c \ub78c\ub2e4\ub97c \uc0ac\uc6a9\ud558\ub294 SAM \uc0dd\uc131\uc790 \ud65c\uc6a9\ub3c4 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774\ub54c \uacb0\uacfc \ucf54\ub4dc\uac00 \ud6e8\uc52c \uac04\uacb0\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/07\/fun_interface-1.png\" data-gif-src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/07\/fun_interface.gif\"><\/p>\n<h2 id=\"collection-operations\">\uceec\ub809\uc158 \uc5f0\uc0b0<\/h2>\n<ul>\n<li>\uc0c8\ub85c\uc6b4 <code>sumOf<\/code> \ud568\uc218\ub294 \uc120\ud0dd\uc790 \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uba70 \uceec\ub809\uc158\uc758 \ubaa8\ub4e0 \uc694\uc18c \uac12\uc758 \ud569\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4. \uae30\uc874\uc758 <code>sumBy<\/code> \ubc0f <code>sumByDouble<\/code> \ud568\uc218\uc640 \uc0c1\ub2f9\ud788 \uc720\uc0ac\ud569\ub2c8\ub2e4. \uc8fc\uc694\ud55c \ucc28\uc774\uc810\uc740 \uc2e0\uaddc <code>sumOf<\/code> \ud568\uc218\uac00 \ub2e4\uc591\ud55c \ubc18\ud658 \uc720\ud615\uc758 \uc120\ud0dd\uc790\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc5ec\ub7ec \uc720\ud615\uc758 \ud569\uacc4\ub97c \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \uc989, sumOf \ud568\uc218\ub294 <code>Int<\/code>, <code>Long<\/code>, <code>Double<\/code>, <code>UInt<\/code>, <code>ULong<\/code> \uc720\ud615\uc758 \ud569\uacc4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub610\ud55c JVM\uc5d0\uc11c <code>BigInteger<\/code> \ubc0f <code>BigDecimal<\/code>\ub3c4 \uc9c0\uc6d0\ub429\ub2c8\ub2e4.\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\ndata class OrderItem(val name: String, val price: Double, val count: Int)\r\n\r\nfun main() {\r\n\/\/sampleStart\r\n    val order = listOf&lt;OrderItem&gt;(\r\n        OrderItem(&quot;Cake&quot;, price = 10.0, count = 1),\r\n\tOrderItem(&quot;Coffee&quot;, price = 2.5, count = 3),\r\n        OrderItem(&quot;Tea&quot;, price = 1.5, count = 2))\r\n    \r\n    val total = order.sumOf { it.price * it.count} \/\/ Double\r\n    val count = order.sumOf { it.count } \/\/ Int\r\n\/\/sampleEnd\r\n    println(&quot;You&#039;ve ordered $count items that cost $total in total&quot;)\r\n}\r\n<\/pre>\n<\/li>\n<li>\n<code>min<\/code>, <code>max<\/code> \ud568\uc218\uc758 \uc774\ub984\uc774 <code>minOrNull<\/code>, <code>maxOrNull<\/code>\ub85c \ubcc0\uacbd\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 1.0 \ubc84\uc804\uc5d0\uc11c \ub3c4\uc785\ub41c \uc774\ud6c4 <code>min<\/code>\uacfc <code>max<\/code> \ud568\uc218\ub294 \ube48 \uceec\ub809\uc158\uc73c\ub85c <code>null<\/code>\uc744 \ubc18\ud658\ud574 \uc654\uc2b5\ub2c8\ub2e4. \uc774\ub294 Kotlin \uceec\ub809\uc158 API\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc774\ub984 \uc9c0\uc815 \uaddc\uce59(<code>*OrNull<\/code> \uc811\ubbf8\uc5b4\uac00 \uc5c6\ub294 \ud568\uc218\ub294 \ub9ac\uc2dc\ubc84 \uceec\ub809\uc158\uc774 \ube44\uc5b4 \uc788\uc744 \uacbd\uc6b0 \uc608\uc678\ub97c \ub358\uc9d0)\uacfc \ubaa8\uc21c\ub418\ub294 \uac83\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 <code>null<\/code>\uc744 \uc0ac\uc6a9\ud558\ub824\uba74 <code>firstOrNull<\/code>\uacfc \uac19\uc740 <code>*OrNull<\/code> \ud568\uc218 \ubc84\uc804\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<br \/>\n\uadf8\ub807\uae30\uc5d0 \uc810\uc9c4\uc801\uc73c\ub85c <code>min<\/code>\uacfc <code>max<\/code> \ud568\uc218\uc758 \ub3d9\uc791\uc744 \ubcc0\uacbd\ud558\uae30\ub85c \uacb0\uc815\ud588\uc2b5\ub2c8\ub2e4. 1.4-M3\uc5d0\uc11c\ub294 <code>min<\/code>\uacfc <code>max<\/code>\uc758 \ub3d9\uc758\uc5b4\ub85c <code>minOrNull<\/code>\uacfc <code>maxOrNull<\/code>\uc744 \ucd94\uac00\ud588\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ube44 null \ubc18\ud658 \uc720\ud615\uc73c\ub85c \ub300\uc2e0 \ub3c4\uc785\ud558\uae30 \uc704\ud574 <code>min<\/code>\uacfc <code>max<\/code> \uc0ac\uc6a9\uc774 \uc911\ub2e8\ub418\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4.\n<\/li>\n<li>\n\uceec\ub809\uc158 \ud56d\ubaa9\uc5d0\uc11c \uc81c\uacf5\ub41c \uc120\ud0dd\uc790 \ud568\uc218\uc758 \ucd5c\uc18c \ub610\ub294 \ucd5c\ub300 \uac12\uc744 \ubc18\ud658\ud558\ub294 <code>minOf<\/code> \ubc0f <code>maxOf<\/code> \ud568\uc218\ub97c \ub3c4\uc785\ud588\uc2b5\ub2c8\ub2e4. \uc774 \ud568\uc218\ub294 <code>map { selector }.max()!!<\/code> \ub610\ub294 <code>maxBy { selector }!!.selector<\/code>(\ub610\ub294 <code>min<\/code>\uacfc <code>minBy<\/code>)\ub97c \uc791\uc131\ud558\ub294 \ub370 \ud544\uc694\ud558\uc9c0\ub9cc \ub204\ub77d\ub41c case \ubb38\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\ndata class OrderItem(val name: String, val price: Double, val count: Int)\r\n\r\nfun main() {\r\n\/\/sampleStart\r\n    val order = listOf&lt;OrderItem&gt;(\r\n        OrderItem(&quot;Cake&quot;, price = 10.0, count = 1),\r\n        OrderItem(&quot;Coffee&quot;, price = 2.5, count = 3),\r\n        OrderItem(&quot;Tea&quot;, price = 1.5, count = 2))\r\n    \r\n    val highestPrice = order.maxOf { it.price }\r\n\/\/sampleEnd    \r\n    println(&quot;The most expensive item in the order costs $highestPrice&quot;)\r\n}\r\n<\/pre>\n<p>\ub610\ud55c \uae30\uc874 API\uc640 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 <code>Comparator<\/code>\ub97c \uc778\uc218\ub85c \uc0ac\uc6a9\ud558\ub294 <code>minOfWith<\/code> \ubc0f <code>maxOfWith<\/code>\ub3c4 \ucd94\uac00\ud558\uc600\uc2b5\ub2c8\ub2e4.<br \/>\n4\uac00\uc9c0 \uc2e0\uaddc \ud568\uc218 \ubaa8\ub450 \uc0c1\ub2e8\uc5d0\uc11c \uc124\uba85\ud55c \ube44 null \uaddc\uce59\uc744 \ub530\ub985\ub2c8\ub2e4. \uc774 \ud568\uc218\ub4e4\uc740 \ube48 \uceec\ub809\uc158\uc73c\ub85c \uc608\uc678\ub97c \ub358\uc9c0\uace0 \uc774 \uc0ac\ub840\uc5d0\uc11c <code>null<\/code>\uc744 \ubc18\ud658\ud558\ub294 <code>*OrNull<\/code>\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.\n<\/li>\n<li>\n<code>flatMap<\/code> \ubc0f <code>flatMapTo<\/code>\uc5d0 \ub300\ud55c \uc2e0\uaddc \uc624\ubc84\ub85c\ub4dc\ub97c \ud65c\uc6a9\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc774 \ub9ac\uc2dc\ubc84 \uc720\ud615\uacfc \uc77c\uce58\ud558\uc9c0 \uc54a\ub294 \ubc18\ud658 \uc720\ud615\uc744 \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><code>Iterable<\/code>, <code>Array<\/code> \ubc0f <code>Map<\/code>\uc758 <code>Sequence<\/code>\ub85c \ubcc0\ud658 <\/li>\n<li><code>Sequence<\/code>\uc758 <code>Iterable<\/code>\ub85c \ubcc0\ud658<\/li>\n<\/ul>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\nfun main() {\r\n\/\/sampleStart\r\n    val list = listOf(&quot;kot&quot;, &quot;lin&quot;)\r\n    val lettersList = list.flatMap { it.asSequence() }\r\n    val lettersSeq = list.asSequence().flatMap { it.toList() }\r\n\/\/sampleEnd    \r\n    println(lettersList)\r\n    println(lettersSeq.toList())\r\n}\r\n<\/pre>\n<\/li>\n<li>\n \uc0c8\ub85c\uc6b4 <code>flatMapIndexed<\/code> \ud568\uc218\uac00 <code>flatMap<\/code>\uc758 \ub300\uc751 \ud56d\ubaa9\uc73c\ub85c \ucd94\uac00\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc544\uc2dc\ub2e4\uc2dc\ud53c \uceec\ub809\uc158 \ucc98\ub9ac \ud568\uc218\uc758 \uc774\ub984\uc5d0\uc11c <code>Indexed<\/code>\ub418\uc5c8\ub2e4\ub294 \uac83\uc740 \uc801\uc6a9\ub41c \uc5f0\uc0b0\uc5d0 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc694\uc18c \uc778\ub371\uc2a4\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. <\/p>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\nfun main() {\r\n\/\/sampleStart\r\n    val list = listOf(&quot;hello&quot;, &quot;kot&quot;, &quot;lin&quot;, &quot;world&quot;)\r\n    val kotlin = list.flatMapIndexed { index, item -&gt;\r\n        if (index in 1..2) item.toList() else emptyList() \r\n    }\r\n\/\/sampleEnd\r\n    println(kotlin)\r\n}\r\n<\/pre>\n<\/li>\n<\/ul>\n<h2 id=\"common-throws-annotation\">\uc77c\ubc18\uc801\uc778 @Throws \uc5b4\ub178\ud14c\uc774\uc158<\/h2>\n<p>\ube44\ub85d Kotlin\uc740 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/exceptions.html#checked-exceptions\" target=\"_blank\" rel=\"noopener\">\uc608\uc678\ub97c \uac80\uc0ac\ud558\uc9c0 \uc54a\uc9c0\ub9cc<\/a><a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.jvm\/-throws\/\" target=\"_blank\" rel=\"noopener\"><a href=\"mailto:code&gt;@Throws&lt;\/code\">code>@Throws<\/code<\/a> \uc5b4\ub178\ud14c\uc774\uc158<\/a>\uc744 \uc0ac\uc6a9\ud574\uc11c Java \ubc0f Swift\ucc98\ub7fc \uc608\uc678 \uac80\uc0ac\ub97c \ud558\ub294 \uc5b8\uc5b4\uc640\uc758 \uc0c1\ud638 \uc6b4\uc6a9\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc774\uc804\uc5d0\ub294 \uc774\ub984\uc774 \ud3ec\ud568\ub41c JVM\uc6a9(<code>kotlin.jvm.Throws<\/code>) \ubc0f Native\uc6a9 (<code>kotlin.native.Throws<\/code>)\uc73c\ub85c \ubcc4\ub3c4\uc758 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc0ac\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 1.4-M3\ubd80\ud130\ub294 <code>Kotlin<\/code> \ud328\ud0a4\uc9c0\uc5d0\uc11c \ubc14\ub85c \uc77c\ubc18 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 \uc77c\ubd80\uc778 <a href=\"mailto:code&gt;@Throws&lt;\/code\">code>@Throws<\/code<\/a> \uc5b4\ub178\ud14c\uc774\uc158(<code>kotlin.Throws<\/code>)\uc774 \uc9c0\uc6d0\ub418\uba70, \uc774\ub294 \uc77c\ubc18 \ucf54\ub4dc\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 id=\"throws-in suspending-functions-in-swift-and-objective-c\">Swift \ubc0fObjective-C \uc77c\uc2dc \uc911\ub2e8 \ud568\uc218\uc758 @Throws<\/h3>\n<p>1.4-M1\uc5d0\uc11c <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/03\/kotlin-1-4-m1-released\/#kotlin-native-exception-handling\">Objective-C\/Swift \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc758 \uc608\uc678 \ucc98\ub9ac \ubcc0\uacbd\uc744<\/a> \ubc1c\ud45c\ud588\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\uc81c <code> @Throws<\/code> \uc5b4\ub178\ud14c\uc774\uc158\uc758 \ub9e4\uac1c\ubcc0\uc218\ub85c\uc11c \uc9c0\uc815\ub41c \ud074\ub798\uc2a4(\ub610\ub294 \ud558\uc704 \ud074\ub798\uc2a4)\uc758 \uc778\uc2a4\ud134\uc2a4\uc778 \uc608\uc678\uc5d0\ub9cc <code>NSError<\/code>\uac00 \ub358\uc838\uc9d1\ub2c8\ub2e4. 1.4-M2\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc778 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/06\/kotlin-1-4-m2-released\/#native-suspending-functions-support\">Swift\/Objective-C\uc758 Kotlin \uc77c\uc2dc \uc911\ub2e8 \ud568\uc218 \uc9c0\uc6d0<\/a>\uc774 \ub3c4\uc785\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 1.4-M3\uc758 \uacbd\uc6b0 <code> @Throws<\/code>\ub85c \uc5b4\ub178\ud14c\uc774\uc158\ub41c \uc77c\uc2dc \uc911\ub2e8 \ud568\uc218\uc758 \ub3d9\uc791\uc5d0 \uc791\uc740 \ubcc0\uacbd \uc0ac\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><code> @Throws<\/code>\ub97c \ud1b5\ud574 \uc5b4\ub178\ud14c\uc774\uc158 \ucc98\ub9ac\ub41c <code>suspend fun<\/code>\uc774 \uc788\ub2e4\uba74 <code> @Throws<\/code><br \/>\n \uc5b4\ub178\ud14c\uc774\uc158\uc758 \ub9e4\uac1c\ubcc0\uc218\ub85c <code>CancellationException::class<\/code>\ub97c \uc9c0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ucef4\ud30c\uc77c \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li><code>suspend fun<\/code>\uc5d0 <code> @Throws<\/code> \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc5c6\ub2e4\uba74 Swift\uc5d0\uc11c \ud638\ucd9c \uc2dc <code> @Throws(CancellationException::class)<\/code>\uac00 \ubb35\uc2dc\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2 id=\"equality-in-floating-point-arrays\">\ubd80\ub3d9 \uc18c\uc218\uc810 \ubc30\uc5f4\uc758 \uc0c1\ub4f1<\/h2>\n<p>\ub9ce\uc740 \ubd84\ub4e4\uaed8\uc11c \ucee8\ud14c\uc774\ub108 \ud615\uc2dd\uc5d0 \ub300\ud55c <code>contains<\/code>, <code>indexOf<\/code> \ubc0f<code>lastIndexOf<\/code>\uacfc \uac19\uc740 \uc720\uc6a9\ud55c \ud655\uc7a5 \ud568\uc218\ub97c \uc54c\uace0 \uacc4\uc2e4 \uac81\ub2c8\ub2e4. \uc5bc\ub9c8 \uc804, \uc800\ud76c\ub294 \ubd80\ub3d9 \uc18c\uc218\uc810 \ubc30\uc5f4(<code>FloatArray<\/code> \ubc0f<code>DoubleArray<\/code>)\uc758 \ub3d9\uc791\uc774 \ub17c\ub780\uc744 \uc77c\uc73c\ud0a4\uace0 \uc624\ub958\ub85c \ubcf4\uc77c \uc218 \uc788\ub2e4\ub294 \uc810\uc744 \uc54c\uc558\uc2b5\ub2c8\ub2e4.<br \/>\n\ub354 \uc790\uc138\ud788 \uc124\uba85\ud574 \ub4dc\ub9ac\uc790\uba74, \uc774\ub7ec\ud55c \ubc30\uc5f4\uc740 \ubd80\ub3d9 \uc18c\uc218\uc810 \uacc4\uc0b0 \uc2dc <a href=\"https:\/\/en.wikipedia.org\/wiki\/IEEE_754\" target=\"_blank\" rel=\"noopener\">IEEE 754<\/a> \ud45c\uc900\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \ucf54\ub108 \ucf00\uc774\uc2a4\uc5d0 \ub300\ud55c \ub2e4\uc74c \uc0c1\ub4f1 \uaddc\uce59\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><code>NaN<\/code>\uc740 <code>NaN<\/code>\uacfc <strong>\uc0c1\ub4f1\ud558\uc9c0 \uc54a\ub2e4.<\/strong><\/li>\n<li><code>-0.0<\/code>\uc740 <code>0.0<\/code>\uacfc <strong>\uc0c1\ub4f1\ud558\ub2e4.<\/strong><\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uaddc\uce59\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc608\uae30\uce58 \uc54a\uc740 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\nfun main() {\r\n\/\/sampleStart\r\n    val darray = doubleArrayOf(Double.NaN, 0.0)\r\n    println (darray.contains(darray[0])) \/\/ false!\r\n\/\/sampleEnd\r\n}\r\n<\/pre>\n<p>\ub610\ud55c \uc774\ub7ec\ud55c \ub3d9\uc791\uc740 <em>total order<\/em> \uc0c1\ub4f1\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uac19\uc740 \ud568\uc218\uac00 \ubaa9\ub85d\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\uacfc \ubd88\uc77c\uce58\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\nfun main() {\r\n\/\/sampleStart\r\n    val listOfDouble: List&lt;Double&gt; = listOf(0.0, Double.NaN)\r\n    val listFromArray: List&lt;Double&gt; = doubleArrayOf(0.0, Double.NaN).asList()\r\n\r\n    println(listOfDouble.contains(Double.NaN))  \/\/ true\r\n    println(listFromArray.contains(Double.NaN))  \/\/ false in previous versions\r\n\/\/sampleEnd\r\n}\r\n<\/pre>\n<p>1.4-M3\uc5d0\uc11c\ub294 <code>FloatArray<\/code> \ubc0f <code>DoubleArray<\/code>\uc758 <code>contains<\/code>, <code>indexOf<\/code>, <code>lastIndexOf<\/code> \ud655\uc7a5 \ud568\uc218\uc758 \uc0ac\uc6a9\uc774 \uc911\ub2e8\ub418\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \ud574\ub2f9 \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub824 \ud560 \uacbd\uc6b0 \ud568\uc218 \uad50\uccb4\ub97c \uc704\ud55c \uc9c0\uce68\uacfc \ud568\uaed8 \uacbd\uace0 \uba54\uc2dc\uc9c0\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<br \/>\n\ud5a5\ud6c4 \ub9b4\ub9ac\uc2a4\uc5d0\uc11c\ub294 \uc911\ub2e8 \uc218\uc900\uc744 <code>ERROR<\/code>\ub85c \uac15\ud654\ud558\uace0 \uacf5\uc6a9 API\uc5d0\uc11c \ud574\ub2f9 \ud568\uc218\ub97c \uc81c\uac70\ud560 \uc608\uc815\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"converting-from-ktype-to-java-type\">KType\uc5d0\uc11c Java \uc720\ud615\uc73c\ub85c \ubcc0\ud658<\/h2>\n<p>Kotlin 1.3.40\uc5d0\uc11c <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2019\/06\/kotlin-1-3-40-released\/#type-of\">\uc720\uc6a9\ud55c <code>typeOf<\/code> \ud568\uc218<\/a>\uac00 \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0 \ucd94\uac00\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ud568\uc218\ub294 \uc8fc\uc5b4\uc9c4 \uad6c\uccb4\ud654\ub41c \uc720\ud615 <code>T<\/code>\uc758 \ub7f0\ud0c0\uc784 \ud45c\ud604\uc744 <a href=\"https:\/\/kotlinlang.org\/api\/latest\/jvm\/stdlib\/kotlin.reflect\/-k-type\/\" target=\"_blank\" rel=\"noopener\"><code>KType<\/code><\/a>\uc758 \uc778\uc2a4\ud134\uc2a4\ub85c \ubc18\ud658\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc5ec\ub7ec \uc2e4\uc81c \uc0ac\uc6a9 \uc0ac\ub840\uc5d0\uc11c\ub294 <code>KType<\/code>\ubcf4\ub2e4\ub294 Java \ub9ac\ud50c\ub809\uc158\uc778 <a href=\"https:\/\/docs.oracle.com\/javase\/8\/docs\/api\/java\/lang\/reflect\/Type.html\" target=\"_blank\" rel=\"noopener\"><code>java.lang.reflect.Type<\/code><\/a> \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \ud544\uc694\ud55c \ubcc0\ud658\uc744 \uc218\ud589\ud558\ub294 \uac83\uc740 \uc774\ubbf8 \uac00\ub2a5\ud588\uc9c0\ub9cc \uadf8 \uacfc\uc815\uc5d0\uc11c \uc804\uccb4 <code>kotlin-reflect<\/code> \uc885\uc18d \uc694\uc18c\uac00 \uc0ac\uc6a9\ub418\uc5b4\uc57c \ud588\uc2b5\ub2c8\ub2e4. \uc774\uc81c \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc5ec <code>KType<\/code>\uc744 Java <code>Type<\/code>\uc73c\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc774 <code>KType.javaType<\/code> \ud655\uc7a5 \uc18d\uc131\uc774 Java <code>Type<\/code>\uc744 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"kotlin-code\" data-version=\"1.4-M3\" theme=\"idea\" indent=\"4\" style=\"visibility: hidden; padding: 36px 0;\">\r\nimport kotlin.reflect.javaType\r\nimport kotlin.reflect.typeOf\r\n\r\n@OptIn(ExperimentalStdlibApi::class)\r\ninline fun &lt;reified T&gt; accessReifiedTypeArg() {\r\n   val kType = typeOf&lt;T&gt;()\r\n   println(&quot;Kotlin type: $kType&quot;)\r\n   println(&quot;Java type: ${kType.javaType}&quot;)\r\n}\r\n\r\n@OptIn(ExperimentalStdlibApi::class)\r\nfun main() {\r\n   accessReifiedTypeArg&lt;String&gt;()\r\n   \/\/ Kotlin type: kotlin.String\r\n   \/\/ Java type: class java.lang.String\r\n  \r\n   accessReifiedTypeArg&lt;List&lt;String&gt;&gt;()\r\n   \/\/ Kotlin type: kotlin.collections.List&lt;kotlin.String&gt;\r\n   \/\/ Java type: java.util.List&lt;java.lang.String&gt;\r\n}\r\n<\/pre>\n<p>\uc544\uc9c1 \uc77c\ubd80 \ucf54\ub108 \ucf00\uc774\uc2a4\uc5d0\uc11c \ubcf4\uc720\ud55c Java <code>Type<\/code>\uc774 \uc801\uc808\ud788 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud558\uc138\uc694(\uc5b4\ub178\ud14c\uc774\uc158 \ucc98\ub9ac\ub41c \uc720\ud615 \ub9e4\uac1c\ubcc0\uc218 \ub610\ub294 \uc120\uc5b8 \uc704\uce58 \ubcc0\ud658(declaration-site variance)). <code>KType.javaType<\/code>\uc740 \uc2e4\ud5d8\uc801 \ub2e8\uacc4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ucf00\uc774\uc2a4\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c <a href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-32241#focus=streamItem-27-4200156.0-0\" target=\"_blank\" rel=\"noopener\">\uc774\uc288<\/a>\uc5d0\uc11c \ud655\uc778\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud638\ud658\uc131<\/h2>\n<p>Kotlin 1.4\ub294 \uc77c\ubd80 \ucf54\ub108 \ucf00\uc774\uc2a4\uc5d0\uc11c 1.3\uacfc \uc5ed\ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0ac\ub840\ub294 \uc5b8\uc5b4 \uc704\uc6d0\ud68c\uc5d0\uc11c \ubaa8\ub450 \uc2e0\uc911\ud558\uac8c \uac80\ud1a0\ud55c \ud6c4 &quot;\ud638\ud658\uc131 \uac00\uc774\ub4dc&quot;\uc5d0 \ubaa9\ub85d\uc744 \ub098\uc5f4\ud569\ub2c8\ub2e4(<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/compatibility-guide-13.html\" target=\"_blank\" rel=\"noopener\">\uc774 \uc591\uc2dd<\/a>\uacfc \uc720\uc0ac). \ud604\uc7ac \uc774 \ubaa9\ub85d\uc740 <a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=Tag:%20language-committee-approved%20Target%20versions:%201.4-M3,%201.4-M2,%201.4-M1,%201.4.0\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a>\uc5d0\uc11c \ud655\uc778\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc0ac\uc804 \ub9b4\ub9ac\uc2a4 \ub178\ud2b8<\/h3>\n<blockquote><p>\n  \uc774\uc804 \ubc84\uc804\uacfc\uc758 \ud638\ud658\uc131\uc740 \uc0ac\uc804 \ub9b4\ub9ac\uc2a4 \ubc84\uc804\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uae30\ub2a5 \ubc0f API\ub294 \ud6c4\uc18d \ub9b4\ub9ac\uc2a4\uc5d0\uc11c \ubcc0\uacbd\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucd5c\uc885 RC\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc0ac\uc804 \ub9b4\ub9ac\uc2a4 \ubc84\uc804\uc5d0\uc11c \uc0dd\uc131\ub41c \ubaa8\ub4e0 2\uc9c4 \ud30c\uc77c\uc774 \ucef4\ud30c\uc77c\ub7ec\uc5d0\uc11c \uc0ac\uc6a9 \uae08\uc9c0\ub418\uba70 1.4Mx\ub85c \ucef4\ud30c\uc77c\ub41c \ubaa8\ub4e0 \ud30c\uc77c\uc744 \ub2e4\uc2dc \ucef4\ud30c\uc77c \ud574\uc57c \ud569\ub2c8\ub2e4.\n<\/p><\/blockquote>\n<h2 id=\"how-to-try\">\ucd5c\uc2e0 \uae30\ub2a5 \uc0ac\uc6a9 \ubc29\ubc95<\/h2>\n<p>\uc5b8\uc81c\ub098\ucc98\ub7fc <a href=\"http:\/\/play.kotl.in\/\" target=\"_blank\" rel=\"noopener\">play.kotl.in<\/a>\uc5d0\uc11c <strong>Kotlin\uc744 \uc628\ub77c\uc778\uc5d0\uc11c \uc0ac\uc6a9<\/strong>\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>IntelliJ IDEA<\/strong> \ubc0f <strong>Android Studio<\/strong>\uc5d0\uc11c Kotlin \ud50c\ub7ec\uadf8\uc778\uc744 1.4-M3 \ubc84\uc804\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/kotlinlang.org\/eap\/install-eap-plugin.html\" target=\"_blank\" rel=\"noopener\">\uc5c5\ub370\uc774\ud2b8 \ubc29\ubc95 \ubcf4\uae30<\/a><\/p>\n<p>\ud14c\uc2a4\ud2b8 \ubc84\uc804\uc744 \uc124\uce58\ud558\uae30 \uc804\uc5d0 \uc0dd\uc131\ub41c \uae30\uc874 \ud504\ub85c\uc81d\ud2b8\ub97c \uc791\uc5c5\ud558\ub824\uba74 <a href=\"https:\/\/kotlinlang.org\/eap\/configure-build-for-eap.html\" target=\"_blank\" rel=\"noopener\">Gradle \ub610\ub294 Maven\uc5d0\uc11c \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc5d0 \ub300\ud55c \ube4c\ub4dc\ub97c \uad6c\uc131<\/a>\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uba85\ub839\uc904 \ucef4\ud30c\uc77c\ub7ec<\/strong>\ub294 <a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v1.4-M3\" target=\"_blank\" rel=\"noopener\">Github \ub9b4\ub9ac\uc2a4 \ud398\uc774\uc9c0<\/a>\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ub9b4\ub9ac\uc2a4\uc640 \ud568\uaed8 \uac8c\uc2dc\ub41c \ub2e4\uc74c \ubc84\uc804\uc758 <strong>\ub77c\uc774\ube0c\ub7ec\ub9ac<\/strong>\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.atomicfu\" target=\"_blank\" rel=\"noopener\">kotlinx.atomicfu<\/a> \ubc84\uc804: <a href=\"https:\/\/bintray.com\/kotlin\/kotlinx\/kotlinx.atomicfu\/0.14.3-1.4-M3\" target=\"_blank\" rel=\"noopener\">0.14.3-1.4-M3<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.coroutines\" target=\"_blank\" rel=\"noopener\">kotlinx.coroutines<\/a> \ubc84\uc804: <a href=\"https:\/\/bintray.com\/kotlin\/kotlinx\/kotlinx.coroutines\/1.3.7-1.4-M3\" target=\"_blank\" rel=\"noopener\">1.3.7-1.4-M3<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.serialization\" target=\"_blank\" rel=\"noopener\">kotlinx.serialization<\/a> \ubc84\uc804: <a href=\"https:\/\/bintray.com\/kotlin\/kotlinx\/kotlinx.serialization.runtime\/0.20.0-1.4-M3\" target=\"_blank\" rel=\"noopener\">0.20.0-1.4-M3<\/a><\/li>\n<li><a href=\"https:\/\/ktor.io\/\" target=\"_blank\" rel=\"noopener\">ktor<\/a> \ubc84\uc804: <a href=\"https:\/\/bintray.com\/kotlin\/ktor\/ktor\/1.3.2-1.4-M3\" target=\"_blank\" rel=\"noopener\">1.3.2-1.4-M3<\/a><\/li>\n<\/ul>\n<p>\ub9b4\ub9ac\uc2a4\uc5d0 \uad00\ud55c \uc138\ubd80 \uc815\ubcf4 \ubc0f \ud638\ud658\ub418\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac \ubaa9\ub85d\uc740 <a href=\"https:\/\/kotlinlang.org\/eap\/#build-details\" target=\"_blank\" rel=\"noopener\">\uc5ec\uae30<\/a>\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"share-your-feedback\">\uc5ec\ub7ec\ubd84\uc758 \uc758\uacac\uc744 \ub4e4\ub824\uc8fc\uc138\uc694<\/h2>\n<p><a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT\" target=\"_blank\" rel=\"noopener\">\uc774\uc288 \ud2b8\ub798\ucee4<\/a>\uc5d0 \ubc84\uadf8 \ubcf4\uace0\uc11c\ub97c \ubcf4\ub0b4\uc8fc\uc2e0 \ub370 \uac10\uc0ac\ub4dc\ub9bd\ub2c8\ub2e4. \ub610\ud55c \ucd5c\uc885 \ub9b4\ub9ac\uc2a4 \uc804 \ubaa8\ub4e0 \uc911\uc694 \uc774\uc288\ub97c \uc218\uc815\ud560 \uc218 \uc788\ub3c4\ub85d \ucd5c\uc120\uc744 \ub2e4\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc5b8\uc81c\ub4e0<a href=\"https:\/\/app.slack.com\/client\/T09229ZC6\/C0KLZSCHF\" target=\"_blank\" rel=\"noopener\">Kotlin Slack<\/a>\uc758 <em><a href=\"https:\/\/app.slack.com\/client\/T09229ZC6\/C0KLZSCHF\" target=\"_blank\" rel=\"noopener\">#eap channel<\/a><\/em>\uc5d0 \ucc38\uc5ec\ud558\uc138\uc694(<a href=\"http:\/\/slack.kotlinlang.org\/\" target=\"_blank\" rel=\"noopener\">\uc5ec\uae30<\/a>\uc5d0\uc11c \ucd08\ub300\ubc1b\uae30). \uc9c8\ubb38\ud558\uace0 \ud1a0\ub860\uc5d0 \ucc38\uc5ec\ud558\uac70\ub098 \uc0c8\ub85c\uc6b4 \ud14c\uc2a4\ud2b8 \ubc84\uc804 \ube4c\ub4dc\uc5d0 \uad00\ud55c \uc54c\ub9bc\uc744 \ubc1b\uc544\ubcf4\uc138\uc694.<\/p>\n<p>Let\u2019s Kotlin!<\/p>\n<h2 id=\"external-contributors\">\uc678\ubd80 \uae30\uc5ec\uc790<\/h2>\n<p>\uc774 \ub9b4\ub9ac\uc2a4\uc5d0 \ud3ec\ud568\ub41c Pull \uc694\uccad\uc744 \uc81c\uacf5\ud574 \uc8fc\uc2e0 \ubaa8\ub4e0 \uc678\ubd80 \uae30\uc5ec\uc790\uaed8\ub3c4 \uac10\uc0ac\uc758 \ub9c8\uc74c\uc744 \uc804\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/t-kameyama\" target=\"_blank\" rel=\"noopener\">Toshiaki Kameyama<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/sfs\" target=\"_blank\" rel=\"noopener\">Steven Sch\u00e4fer<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/jsjeon\" target=\"_blank\" rel=\"noopener\">Jinseong Jeon<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/pyos\" target=\"_blank\" rel=\"noopener\">pyos<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/punzki\" target=\"_blank\" rel=\"noopener\">Mark Punzalan<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/rapturemain\" target=\"_blank\" rel=\"noopener\">rapturemain<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/tihonovcore\" target=\"_blank\" rel=\"noopener\">Vitaly Tihonov<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/madsager\" target=\"_blank\" rel=\"noopener\">Mads Ager<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/subroh0508\" target=\"_blank\" rel=\"noopener\">Subroh Nishikori<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/juan-chen\" target=\"_blank\" rel=\"noopener\">Juan Chen<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/gcx11\" target=\"_blank\" rel=\"noopener\">gcx11<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/rbares\" target=\"_blank\" rel=\"noopener\">Robert Bares<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/tunedal\" target=\"_blank\" rel=\"noopener\">Henrik Tunedal<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/lunakoly\" target=\"_blank\" rel=\"noopener\">Nick<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/Dmitry-Borodin\" target=\"_blank\" rel=\"noopener\">Dmitry Borodin<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/efemoney\" target=\"_blank\" rel=\"noopener\">Efeturi Money<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/kevinmost\" target=\"_blank\" rel=\"noopener\">Kevin Most<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/anstkras\" target=\"_blank\" rel=\"noopener\">Anastasiya Krasnoryadtseva<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/kandersen\" target=\"_blank\" rel=\"noopener\">Kristoffer Andersen<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/mpetrov\" target=\"_blank\" rel=\"noopener\">Martin Petrov<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/gharrma\" target=\"_blank\" rel=\"noopener\">Matthew Gharrity<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/mikesamuel\" target=\"_blank\" rel=\"noopener\">Mike Samuel<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/McCreeMainer\" target=\"_blank\" rel=\"noopener\">Mikhail Likholetov<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/segunfamisa\" target=\"_blank\" rel=\"noopener\">Segun Famisa<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/kozaxinan\" target=\"_blank\" rel=\"noopener\">Sinan Kozak<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/vadimsemenov\" target=\"_blank\" rel=\"noopener\">Vadim Semenov<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/valery1707\" target=\"_blank\" rel=\"noopener\">Valeriy Vyrva<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/turansky\" target=\"_blank\" rel=\"noopener\">Victor Turansky<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/Monchi\" target=\"_blank\" rel=\"noopener\">Yuku Kotani<\/a><\/li>\n<\/ul>\n<p><em>\uc774 \uac8c\uc2dc\ubb3c\uc740 <a href=\"https:\/\/blog.jetbrains.com\/author\/pavel-semyonovjetbrains-com\/\">Pavel Semyonov<\/a>\uac00 \uc791\uc131\ud55c <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-1-4-m3-is-out-standard-library-changes\/\">Kotlin 1.4-M3 is Out: Standard Library Changes<\/a>\ub97c \ubc88\uc5ed\ud55c \uae00\uc785\ub2c8\ub2e4.<\/em><\/p>\n","protected":false},"author":964,"featured_media":58308,"comment_status":"open","ping_status":"closed","template":"","categories":[4113],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/58276"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/users\/964"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/comments?post=58276"}],"version-history":[{"count":0,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/58276\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media\/58308"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media?parent=58276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/categories?post=58276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/tags?post=58276"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/cross-post-tag?post=58276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}