Migrate UseExperimental->OptIn in project sources

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")