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/*
* Copyright 2010-2021 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:kotlin.jvm.JvmMultifileClass
@file:kotlin.jvm.JvmName("MapsKt")
package kotlin.collections
//
// NOTE: THIS FILE IS AUTO-GENERATED by the GenerateStandardLib.kt
// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
//
import kotlin.random.*
import kotlin.ranges.contains
import kotlin.ranges.reversed
/**
* Returns the first non-null value produced by [transform] function being applied to entries of this map in iteration order,
* or throws [NoSuchElementException] if no non-null value was produced.
*
* @sample samples.collections.Collections.Transformations.firstNotNullOf
*/
@SinceKotlin("1.5")
@kotlin.internal.InlineOnly
public inline fun Map.firstNotNullOf(transform: (Map.Entry) -> R?): R {
return firstNotNullOfOrNull(transform) ?: throw NoSuchElementException("No element of the map was transformed to a non-null value.")
}
/**
* Returns the first non-null value produced by [transform] function being applied to entries of this map in iteration order,
* or `null` if no non-null value was produced.
*
* @sample samples.collections.Collections.Transformations.firstNotNullOf
*/
@SinceKotlin("1.5")
@kotlin.internal.InlineOnly
public inline fun Map.firstNotNullOfOrNull(transform: (Map.Entry) -> R?): R? {
for (element in this) {
val result = transform(element)
if (result != null) {
return result
}
}
return null
}
/**
* Returns a [List] containing all key-value pairs.
*/
public fun Map.toList(): List> {
if (size == 0)
return emptyList()
val iterator = entries.iterator()
if (!iterator.hasNext())
return emptyList()
val first = iterator.next()
if (!iterator.hasNext())
return listOf(first.toPair())
val result = ArrayList>(size)
result.add(first.toPair())
do {
result.add(iterator.next().toPair())
} while (iterator.hasNext())
return result
}
/**
* Returns a single list of all elements yielded from results of [transform] function being invoked on each entry of original map.
*
* @sample samples.collections.Maps.Transformations.flatMap
*/
public inline fun Map.flatMap(transform: (Map.Entry) -> Iterable): List {
return flatMapTo(ArrayList(), transform)
}
/**
* Returns a single list of all elements yielded from results of [transform] function being invoked on each entry of original map.
*
* @sample samples.collections.Collections.Transformations.flatMap
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.jvm.JvmName("flatMapSequence")
public inline fun Map.flatMap(transform: (Map.Entry) -> Sequence): List {
return flatMapTo(ArrayList(), transform)
}
/**
* Appends all elements yielded from results of [transform] function being invoked on each entry of original map, to the given [destination].
*/
public inline fun > Map.flatMapTo(destination: C, transform: (Map.Entry) -> Iterable): C {
for (element in this) {
val list = transform(element)
destination.addAll(list)
}
return destination
}
/**
* Appends all elements yielded from results of [transform] function being invoked on each entry of original map, to the given [destination].
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.jvm.JvmName("flatMapSequenceTo")
public inline fun > Map.flatMapTo(destination: C, transform: (Map.Entry) -> Sequence): C {
for (element in this) {
val list = transform(element)
destination.addAll(list)
}
return destination
}
/**
* Returns a list containing the results of applying the given [transform] function
* to each entry in the original map.
*
* @sample samples.collections.Maps.Transformations.mapToList
*/
public inline fun Map.map(transform: (Map.Entry) -> R): List {
return mapTo(ArrayList(size), transform)
}
/**
* Returns a list containing only the non-null results of applying the given [transform] function
* to each entry in the original map.
*
* @sample samples.collections.Maps.Transformations.mapNotNull
*/
public inline fun Map.mapNotNull(transform: (Map.Entry) -> R?): List {
return mapNotNullTo(ArrayList(), transform)
}
/**
* Applies the given [transform] function to each entry in the original map
* and appends only the non-null results to the given [destination].
*/
public inline fun > Map.mapNotNullTo(destination: C, transform: (Map.Entry) -> R?): C {
forEach { element -> transform(element)?.let { destination.add(it) } }
return destination
}
/**
* Applies the given [transform] function to each entry of the original map
* and appends the results to the given [destination].
*/
public inline fun > Map.mapTo(destination: C, transform: (Map.Entry) -> R): C {
for (item in this)
destination.add(transform(item))
return destination
}
/**
* Returns `true` if all entries match the given [predicate].
*
* @sample samples.collections.Collections.Aggregates.all
*/
public inline fun Map.all(predicate: (Map.Entry) -> Boolean): Boolean {
if (isEmpty()) return true
for (element in this) if (!predicate(element)) return false
return true
}
/**
* Returns `true` if map has at least one entry.
*
* @sample samples.collections.Collections.Aggregates.any
*/
public fun Map.any(): Boolean {
return !isEmpty()
}
/**
* Returns `true` if at least one entry matches the given [predicate].
*
* @sample samples.collections.Collections.Aggregates.anyWithPredicate
*/
public inline fun Map.any(predicate: (Map.Entry) -> Boolean): Boolean {
if (isEmpty()) return false
for (element in this) if (predicate(element)) return true
return false
}
/**
* Returns the number of entries in this map.
*/
@kotlin.internal.InlineOnly
public inline fun Map.count(): Int {
return size
}
/**
* Returns the number of entries matching the given [predicate].
*/
public inline fun Map.count(predicate: (Map.Entry) -> Boolean): Int {
if (isEmpty()) return 0
var count = 0
for (element in this) if (predicate(element)) ++count
return count
}
/**
* Performs the given [action] on each entry.
*/
@kotlin.internal.HidesMembers
public inline fun Map.forEach(action: (Map.Entry) -> Unit): Unit {
for (element in this) action(element)
}
@Deprecated("Use maxByOrNull instead.", ReplaceWith("this.maxByOrNull(selector)"))
@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
@kotlin.internal.InlineOnly
public inline fun > Map.maxBy(selector: (Map.Entry) -> R): Map.Entry? {
return maxByOrNull(selector)
}
/**
* Returns the first entry yielding the largest value of the given function or `null` if there are no entries.
*
* @sample samples.collections.Collections.Aggregates.maxByOrNull
*/
@SinceKotlin("1.4")
@kotlin.internal.InlineOnly
public inline fun > Map.maxByOrNull(selector: (Map.Entry) -> R): Map.Entry? {
return entries.maxByOrNull(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOf(selector: (Map.Entry) -> Double): Double {
return entries.maxOf(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOf(selector: (Map.Entry) -> Float): Float {
return entries.maxOf(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun > Map.maxOf(selector: (Map.Entry) -> R): R {
return entries.maxOf(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOfOrNull(selector: (Map.Entry) -> Double): Double? {
return entries.maxOfOrNull(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOfOrNull(selector: (Map.Entry) -> Float): Float? {
return entries.maxOfOrNull(selector)
}
/**
* Returns the largest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun > Map.maxOfOrNull(selector: (Map.Entry) -> R): R? {
return entries.maxOfOrNull(selector)
}
/**
* Returns the largest value according to the provided [comparator]
* among all values produced by [selector] function applied to each entry in the map.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOfWith(comparator: Comparator, selector: (Map.Entry) -> R): R {
return entries.maxOfWith(comparator, selector)
}
/**
* Returns the largest value according to the provided [comparator]
* among all values produced by [selector] function applied to each entry in the map or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.maxOfWithOrNull(comparator: Comparator, selector: (Map.Entry) -> R): R? {
return entries.maxOfWithOrNull(comparator, selector)
}
@Deprecated("Use maxWithOrNull instead.", ReplaceWith("this.maxWithOrNull(comparator)"))
@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
@kotlin.internal.InlineOnly
public inline fun Map.maxWith(comparator: Comparator>): Map.Entry? {
return maxWithOrNull(comparator)
}
/**
* Returns the first entry having the largest value according to the provided [comparator] or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@kotlin.internal.InlineOnly
public inline fun Map.maxWithOrNull(comparator: Comparator>): Map.Entry? {
return entries.maxWithOrNull(comparator)
}
@Deprecated("Use minByOrNull instead.", ReplaceWith("this.minByOrNull(selector)"))
@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
public inline fun > Map.minBy(selector: (Map.Entry) -> R): Map.Entry? {
return minByOrNull(selector)
}
/**
* Returns the first entry yielding the smallest value of the given function or `null` if there are no entries.
*
* @sample samples.collections.Collections.Aggregates.minByOrNull
*/
@SinceKotlin("1.4")
@kotlin.internal.InlineOnly
public inline fun > Map.minByOrNull(selector: (Map.Entry) -> R): Map.Entry? {
return entries.minByOrNull(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOf(selector: (Map.Entry) -> Double): Double {
return entries.minOf(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOf(selector: (Map.Entry) -> Float): Float {
return entries.minOf(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun > Map.minOf(selector: (Map.Entry) -> R): R {
return entries.minOf(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOfOrNull(selector: (Map.Entry) -> Double): Double? {
return entries.minOfOrNull(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*
* If any of values produced by [selector] function is `NaN`, the returned result is `NaN`.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOfOrNull(selector: (Map.Entry) -> Float): Float? {
return entries.minOfOrNull(selector)
}
/**
* Returns the smallest value among all values produced by [selector] function
* applied to each entry in the map or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun > Map.minOfOrNull(selector: (Map.Entry) -> R): R? {
return entries.minOfOrNull(selector)
}
/**
* Returns the smallest value according to the provided [comparator]
* among all values produced by [selector] function applied to each entry in the map.
*
* @throws NoSuchElementException if the map is empty.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOfWith(comparator: Comparator, selector: (Map.Entry) -> R): R {
return entries.minOfWith(comparator, selector)
}
/**
* Returns the smallest value according to the provided [comparator]
* among all values produced by [selector] function applied to each entry in the map or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
@OverloadResolutionByLambdaReturnType
@kotlin.internal.InlineOnly
public inline fun Map.minOfWithOrNull(comparator: Comparator, selector: (Map.Entry) -> R): R? {
return entries.minOfWithOrNull(comparator, selector)
}
@Deprecated("Use minWithOrNull instead.", ReplaceWith("this.minWithOrNull(comparator)"))
@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")
public fun Map.minWith(comparator: Comparator>): Map.Entry? {
return minWithOrNull(comparator)
}
/**
* Returns the first entry having the smallest value according to the provided [comparator] or `null` if there are no entries.
*/
@SinceKotlin("1.4")
@kotlin.internal.InlineOnly
public inline fun Map.minWithOrNull(comparator: Comparator>): Map.Entry? {
return entries.minWithOrNull(comparator)
}
/**
* Returns `true` if the map has no entries.
*
* @sample samples.collections.Collections.Aggregates.none
*/
public fun Map.none(): Boolean {
return isEmpty()
}
/**
* Returns `true` if no entries match the given [predicate].
*
* @sample samples.collections.Collections.Aggregates.noneWithPredicate
*/
public inline fun Map.none(predicate: (Map.Entry) -> Boolean): Boolean {
if (isEmpty()) return true
for (element in this) if (predicate(element)) return false
return true
}
/**
* Performs the given [action] on each entry and returns the map itself afterwards.
*/
@SinceKotlin("1.1")
public inline fun > M.onEach(action: (Map.Entry) -> Unit): M {
return apply { for (element in this) action(element) }
}
/**
* Performs the given [action] on each entry, providing sequential index with the entry,
* and returns the map itself afterwards.
* @param [action] function that takes the index of an entry and the entry itself
* and performs the action on the entry.
*/
@SinceKotlin("1.4")
public inline fun > M.onEachIndexed(action: (index: Int, Map.Entry) -> Unit): M {
return apply { entries.forEachIndexed(action) }
}
/**
* Creates an [Iterable] instance that wraps the original map returning its entries when being iterated.
*/
@kotlin.internal.InlineOnly
public inline fun Map.asIterable(): Iterable> {
return entries
}
/**
* Creates a [Sequence] instance that wraps the original map returning its entries when being iterated.
*/
public fun Map.asSequence(): Sequence> {
return entries.asSequence()
}
