Migrate UseExperimental->OptIn in project sources

libraries/stdlib/coroutines-experimental/src/kotlin/coroutines/experimental/SequenceBuilder.kt

@@ -5,7 +5,7 @@
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("SequenceBuilderKt")
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 package kotlin.coroutines.experimental
 

libraries/stdlib/jdk8/test/time/DurationConversionTest.kt

@@ -3,8 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalTime::class)
-
+@file:OptIn(ExperimentalTime::class)
 package kotlin.jdk8.time.test
 
 import kotlin.random.Random

libraries/stdlib/js/src/kotlin/collections/ArraysJs.kt

@@ -6,7 +6,7 @@
 package kotlin.collections
 
 
-@UseExperimental(ExperimentalUnsignedTypes::class)
+@OptIn(ExperimentalUnsignedTypes::class)
 @SinceKotlin("1.3")
 @kotlin.js.JsName("contentDeepHashCodeImpl")
 internal fun <T> Array<out T>.contentDeepHashCodeImpl(): Int {

libraries/stdlib/js/src/kotlin/text/StringBuilderJs.kt

@@ -46,7 +46,7 @@ public actual class StringBuilder actual constructor(content: String) : Appendab
         return this
     }
 
-    @UseExperimental(ExperimentalStdlibApi::class)
+    @OptIn(ExperimentalStdlibApi::class)
     actual override fun append(value: CharSequence?, startIndex: Int, endIndex: Int): StringBuilder = this.appendRange(value, startIndex, endIndex)
 
     /**

libraries/stdlib/js/src/kotlin/text/utf8Encoding.kt

@@ -6,7 +6,7 @@
 package kotlin.text
 
 /** Returns the negative [size] if [throwOnMalformed] is false, throws [CharacterCodingException] otherwise. */
-@UseExperimental(ExperimentalStdlibApi::class)
+@OptIn(ExperimentalStdlibApi::class)
 private fun malformed(size: Int, index: Int, throwOnMalformed: Boolean): Int {
     if (throwOnMalformed) throw CharacterCodingException("Malformed sequence starting at ${index - 1}")
     return -size

libraries/stdlib/src/kotlin/collections/Arrays.kt

@@ -67,7 +67,7 @@ public inline fun <C, R> C.ifEmpty(defaultValue: () -> R): R where C : Array<*>,
     if (isEmpty()) defaultValue() else this
 
 
-@UseExperimental(ExperimentalUnsignedTypes::class)
+@OptIn(ExperimentalUnsignedTypes::class)
 @SinceKotlin("1.3")
 @PublishedApi
 @kotlin.jvm.JvmName("contentDeepEquals")
@@ -120,7 +120,7 @@ internal fun <T> Array<out T>.contentDeepToStringImpl(): String {
     }
 }
 
-@UseExperimental(ExperimentalUnsignedTypes::class)
+@OptIn(ExperimentalUnsignedTypes::class)
 private fun <T> Array<out T>.contentDeepToStringInternal(result: StringBuilder, processed: MutableList<Array<*>>) {
     if (this in processed) {
         result.append("[...]")

libraries/stdlib/src/kotlin/collections/Collections.kt

@@ -5,7 +5,7 @@
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("CollectionsKt")
-@file:UseExperimental(kotlin.experimental.ExperimentalTypeInference::class)
+@file:OptIn(kotlin.experimental.ExperimentalTypeInference::class)
 
 package kotlin.collections
 

libraries/stdlib/src/kotlin/collections/Maps.kt

@@ -5,7 +5,7 @@
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("MapsKt")
-@file:UseExperimental(kotlin.experimental.ExperimentalTypeInference::class)
+@file:OptIn(kotlin.experimental.ExperimentalTypeInference::class)
 
 package kotlin.collections
 

libraries/stdlib/src/kotlin/collections/SequenceBuilder.kt

@@ -5,7 +5,7 @@
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("SequencesKt")
-@file:UseExperimental(ExperimentalTypeInference::class)
+@file:OptIn(ExperimentalTypeInference::class)
 
 package kotlin.sequences
 

libraries/stdlib/src/kotlin/collections/Sets.kt

@@ -5,7 +5,7 @@
 
 @file:kotlin.jvm.JvmMultifileClass
 @file:kotlin.jvm.JvmName("SetsKt")
-@file:UseExperimental(kotlin.experimental.ExperimentalTypeInference::class)
+@file:OptIn(kotlin.experimental.ExperimentalTypeInference::class)
 
 package kotlin.collections
 

libraries/stdlib/src/kotlin/random/Random.kt

@@ -338,7 +338,7 @@ public fun Random.nextLong(range: LongRange): Long = when {
 internal expect fun defaultPlatformRandom(): Random
 internal expect fun doubleFromParts(hi26: Int, low27: Int): Double
 
-@UseExperimental(ExperimentalStdlibApi::class)
+@OptIn(ExperimentalStdlibApi::class)
 internal fun fastLog2(value: Int): Int = 31 - value.countLeadingZeroBits()
 
 /** Takes upper [bitCount] bits (0..32) from this number. */

libraries/stdlib/src/kotlin/text/Strings.kt

@@ -438,7 +438,7 @@ public fun String.substringAfterLast(delimiter: String, missingDelimiterValue: S
  * @param startIndex the index of the first character to be replaced.
  * @param endIndex the index of the first character after the replacement to keep in the string.
  */
-@UseExperimental(ExperimentalStdlibApi::class)
+@OptIn(ExperimentalStdlibApi::class)
 public fun CharSequence.replaceRange(startIndex: Int, endIndex: Int, replacement: CharSequence): CharSequence {
     if (endIndex < startIndex)
         throw IndexOutOfBoundsException("End index ($endIndex) is less than start index ($startIndex).")
@@ -484,7 +484,7 @@ public inline fun String.replaceRange(range: IntRange, replacement: CharSequence
  *
  * [endIndex] is not included in the removed part.
  */
-@UseExperimental(ExperimentalStdlibApi::class)
+@OptIn(ExperimentalStdlibApi::class)
 public fun CharSequence.removeRange(startIndex: Int, endIndex: Int): CharSequence {
     if (endIndex < startIndex)
         throw IndexOutOfBoundsException("End index ($endIndex) is less than start index ($startIndex).")

libraries/stdlib/src/kotlin/time/Duration.kt

@@ -7,7 +7,7 @@ package kotlin.time
 
 import kotlin.math.abs
 
-@UseExperimental(ExperimentalTime::class)
+@OptIn(ExperimentalTime::class)
 private inline val storageUnit get() = DurationUnit.NANOSECONDS
 
 /**
@@ -302,7 +302,7 @@ public inline class Duration internal constructor(internal val value: Double) :
      *
      * @sample samples.time.Durations.toIsoString
      */
-    @UseExperimental(ExperimentalStdlibApi::class)
+    @OptIn(ExperimentalStdlibApi::class)
     public fun toIsoString(): String = buildString {
         if (isNegative()) append('-')
         append("PT")

libraries/stdlib/test/time/DurationTest.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalTime::class)
+@file:OptIn(ExperimentalTime::class)
 package test.time
 
 import test.numbers.assertAlmostEquals
@@ -398,4 +398,4 @@ class DurationTest {
         test(Duration.INFINITE, "Infinity")
     }
 
-}
+}

libraries/stdlib/test/time/DurationUnitTest.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalTime::class)
+@file:OptIn(ExperimentalTime::class)
 package test.time
 
 import kotlin.test.*
@@ -44,4 +44,4 @@ class DurationUnitTest {
 
 
 
-}
+}

libraries/stdlib/test/time/MeasureTimeTest.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalTime::class)
+@file:OptIn(ExperimentalTime::class)
 package test.time
 
 import kotlin.random.Random
@@ -68,4 +68,4 @@ class MeasureTimeTest {
         assertEquals(expectedResult, result)
         assertEquals(result.nanoseconds, elapsed2)
     }
-}
+}

libraries/stdlib/test/time/TestTimeSourceTest.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalTime::class)
+@file:OptIn(ExperimentalTime::class)
 package test.time
 
 import kotlin.test.*
@@ -59,4 +59,4 @@ class TestTimeSourceTest {
         timeSource += 1.9.nanoseconds
         assertEquals(1.nanoseconds, mark.elapsedNow())
     }
-}
+}

libraries/stdlib/test/time/TimeMarkTest.kt

@@ -2,7 +2,8 @@
  * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
-@file:UseExperimental(ExperimentalTime::class)
+
+@file:OptIn(ExperimentalTime::class)
 package test.time
 
 import kotlin.test.*
@@ -50,4 +51,4 @@ class TimeMarkTest {
         markPast1.assertHasPassed(true)
 
     }
-}
+}

libraries/stdlib/unsigned/src/kotlin/UProgressionUtil.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:UseExperimental(ExperimentalUnsignedTypes::class)
+@file:OptIn(ExperimentalUnsignedTypes::class)
 package kotlin.internal
 
 // (a - b) mod c

libraries/stdlib/unsigned/src/kotlin/UnsignedUtils.kt

@@ -3,7 +3,7 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 @file:kotlin.jvm.JvmName("UnsignedKt")
-@file:UseExperimental(ExperimentalUnsignedTypes::class)
+@file:OptIn(ExperimentalUnsignedTypes::class)
 package kotlin
 
 @PublishedApi