kotlin-stdlib / kotlin / IntArray

IntArray

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1.0
class IntArray
(Common source) (Native source)

An array of ints. When targeting the JVM, instances of this class are represented as int[].

Constructors

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<init>

Creates a new array of the specified size, where each element is calculated by calling the specified init function.

<init>(size: Int, init: (Int) -> Int)

Creates a new array of the specified size, with all elements initialized to zero.

<init>(size: Int)

Properties

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size

Returns the number of elements in the array.

val size: Int

Functions

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get

Returns the array element at the given index. This method can be called using the index operator.

operator fun get(index: Int): Int
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iterator

Creates an iterator over the elements of the array.

operator fun iterator(): IntIterator
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set

Sets the element at the given index to the given value. This method can be called using the index operator.

operator fun set(index: Int, value: Int)

Extension Properties

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indices

Returns the range of valid indices for the array.

val IntArray.indices: IntRange
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lastIndex

Returns the last valid index for the array.

val IntArray.lastIndex: Int

Extension Functions

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all

Returns true if all elements match the given predicate.

fun IntArray.all(predicate: (Int) -> Boolean): Boolean
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any

Returns true if array has at least one element.

fun IntArray.any(): Boolean

Returns true if at least one element matches the given predicate.

fun IntArray.any(predicate: (Int) -> Boolean): Boolean
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asIterable

Creates an Iterable instance that wraps the original array returning its elements when being iterated.

fun IntArray.asIterable(): Iterable<Int>
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asSequence

Creates a Sequence instance that wraps the original array returning its elements when being iterated.

fun IntArray.asSequence(): Sequence<Int>
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associate

Returns a Map containing key-value pairs provided by transform function applied to elements of the given array.

fun <K, V> IntArray.associate(
    transform: (Int) -> Pair<K, V>
): Map<K, V>
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associateBy

Returns a Map containing the elements from the given array indexed by the key returned from keySelector function applied to each element.

fun <K> IntArray.associateBy(
    keySelector: (Int) -> K
): Map<K, Int>

Returns a Map containing the values provided by valueTransform and indexed by keySelector functions applied to elements of the given array.

fun <K, V> IntArray.associateBy(
    keySelector: (Int) -> K,
    valueTransform: (Int) -> V
): Map<K, V>
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associateByTo

Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function applied to each element of the given array and value is the element itself.

fun <K, M : MutableMap<in K, in Int>> IntArray.associateByTo(
    destination: M,
    keySelector: (Int) -> K
): M

Populates and returns the destination mutable map with key-value pairs, where key is provided by the keySelector function and and value is provided by the valueTransform function applied to elements of the given array.

fun <K, V, M : MutableMap<in K, in V>> IntArray.associateByTo(
    destination: M,
    keySelector: (Int) -> K,
    valueTransform: (Int) -> V
): M
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associateTo

Populates and returns the destination mutable map with key-value pairs provided by transform function applied to each element of the given array.

fun <K, V, M : MutableMap<in K, in V>> IntArray.associateTo(
    destination: M,
    transform: (Int) -> Pair<K, V>
): M
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associateWith

Returns a Map where keys are elements from the given array and values are produced by the valueSelector function applied to each element.

fun <V> IntArray.associateWith(
    valueSelector: (Int) -> V
): Map<Int, V>
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associateWithTo

Populates and returns the destination mutable map with key-value pairs for each element of the given array, where key is the element itself and value is provided by the valueSelector function applied to that key.

fun <V, M : MutableMap<in Int, in V>> IntArray.associateWithTo(
    destination: M,
    valueSelector: (Int) -> V
): M
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asUIntArray

Returns an array of type UIntArray, which is a view of this array where each element is an unsigned reinterpretation of the corresponding element of this array.

fun IntArray.asUIntArray(): UIntArray
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average

Returns an average value of elements in the array.

fun IntArray.average(): Double
JVM
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binarySearch

Searches the array or the range of the array for the provided element using the binary search algorithm. The array is expected to be sorted, otherwise the result is undefined.

fun IntArray.binarySearch(
    element: Int,
    fromIndex: Int = 0,
    toIndex: Int = size
): Int
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component1

Returns 1st element from the array.

operator fun IntArray.component1(): Int
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component2

Returns 2nd element from the array.

operator fun IntArray.component2(): Int
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component3

Returns 3rd element from the array.

operator fun IntArray.component3(): Int
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component4

Returns 4th element from the array.

operator fun IntArray.component4(): Int
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component5

Returns 5th element from the array.

operator fun IntArray.component5(): Int
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contains

Returns true if element is found in the array.

operator fun IntArray.contains(element: Int): Boolean
Native
1.1

contentEquals

Returns true if the two specified arrays are structurally equal to one another, i.e. contain the same number of the same elements in the same order.

infix fun IntArray.contentEquals(other: IntArray): Boolean
Native
1.1

contentHashCode

Returns a hash code based on the contents of this array as if it is List.

fun IntArray.contentHashCode(): Int
Native
1.1

contentToString

Returns a string representation of the contents of the specified array as if it is List.

fun IntArray.contentToString(): String
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count

Returns the number of elements in this array.

fun IntArray.count(): Int

Returns the number of elements matching the given predicate.

fun IntArray.count(predicate: (Int) -> Boolean): Int
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distinct

Returns a list containing only distinct elements from the given array.

fun IntArray.distinct(): List<Int>
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distinctBy

Returns a list containing only elements from the given array having distinct keys returned by the given selector function.

fun <K> IntArray.distinctBy(selector: (Int) -> K): List<Int>
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drop

Returns a list containing all elements except first n elements.

fun IntArray.drop(n: Int): List<Int>
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dropLast

Returns a list containing all elements except last n elements.

fun IntArray.dropLast(n: Int): List<Int>
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dropLastWhile

Returns a list containing all elements except last elements that satisfy the given predicate.

fun IntArray.dropLastWhile(
    predicate: (Int) -> Boolean
): List<Int>
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dropWhile

Returns a list containing all elements except first elements that satisfy the given predicate.

fun IntArray.dropWhile(
    predicate: (Int) -> Boolean
): List<Int>
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elementAtOrElse

Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this array.

fun IntArray.elementAtOrElse(
    index: Int,
    defaultValue: (Int) -> Int
): Int
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elementAtOrNull

Returns an element at the given index or null if the index is out of bounds of this array.

fun IntArray.elementAtOrNull(index: Int): Int?
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filter

Returns a list containing only elements matching the given predicate.

fun IntArray.filter(predicate: (Int) -> Boolean): List<Int>
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filterIndexed

Returns a list containing only elements matching the given predicate.

fun IntArray.filterIndexed(
    predicate: (index: Int, Int) -> Boolean
): List<Int>
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filterIndexedTo

Appends all elements matching the given predicate to the given destination.

fun <C : MutableCollection<in Int>> IntArray.filterIndexedTo(
    destination: C,
    predicate: (index: Int, Int) -> Boolean
): C
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filterNot

Returns a list containing all elements not matching the given predicate.

fun IntArray.filterNot(
    predicate: (Int) -> Boolean
): List<Int>
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filterNotTo

Appends all elements not matching the given predicate to the given destination.

fun <C : MutableCollection<in Int>> IntArray.filterNotTo(
    destination: C,
    predicate: (Int) -> Boolean
): C
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filterTo

Appends all elements matching the given predicate to the given destination.

fun <C : MutableCollection<in Int>> IntArray.filterTo(
    destination: C,
    predicate: (Int) -> Boolean
): C
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find

Returns the first element matching the given predicate, or null if no such element was found.

fun IntArray.find(predicate: (Int) -> Boolean): Int?
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findLast

Returns the last element matching the given predicate, or null if no such element was found.

fun IntArray.findLast(predicate: (Int) -> Boolean): Int?
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first

Returns the first element.

fun IntArray.first(): Int

Returns the first element matching the given predicate.

fun IntArray.first(predicate: (Int) -> Boolean): Int
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firstOrNull

Returns the first element, or null if the array is empty.

fun IntArray.firstOrNull(): Int?

Returns the first element matching the given predicate, or null if element was not found.

fun IntArray.firstOrNull(predicate: (Int) -> Boolean): Int?
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flatMap

Returns a single list of all elements yielded from results of transform function being invoked on each element of original array.

fun <R> IntArray.flatMap(
    transform: (Int) -> Iterable<R>
): List<R>
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flatMapIndexed

Returns a single list of all elements yielded from results of transform function being invoked on each element and its index in the original array.

fun <R> IntArray.flatMapIndexed(
    transform: (index: Int, Int) -> Iterable<R>
): List<R>
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flatMapIndexedTo

Appends all elements yielded from results of transform function being invoked on each element and its index in the original array, to the given destination.

fun <R, C : MutableCollection<in R>> IntArray.flatMapIndexedTo(
    destination: C,
    transform: (index: Int, Int) -> Iterable<R>
): C
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flatMapTo

Appends all elements yielded from results of transform function being invoked on each element of original array, to the given destination.

fun <R, C : MutableCollection<in R>> IntArray.flatMapTo(
    destination: C,
    transform: (Int) -> Iterable<R>
): C
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fold

Accumulates value starting with initial value and applying operation from left to right to current accumulator value and each element.

fun <R> IntArray.fold(
    initial: R,
    operation: (acc: R, Int) -> R
): R
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foldIndexed

Accumulates value starting with initial value and applying operation from left to right to current accumulator value and each element with its index in the original array.

fun <R> IntArray.foldIndexed(
    initial: R,
    operation: (index: Int, acc: R, Int) -> R
): R
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foldRight

Accumulates value starting with initial value and applying operation from right to left to each element and current accumulator value.

fun <R> IntArray.foldRight(
    initial: R,
    operation: (Int, acc: R) -> R
): R
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foldRightIndexed

Accumulates value starting with initial value and applying operation from right to left to each element with its index in the original array and current accumulator value.

fun <R> IntArray.foldRightIndexed(
    initial: R,
    operation: (index: Int, Int, acc: R) -> R
): R
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forEach

Performs the given action on each element.

fun IntArray.forEach(action: (Int) -> Unit)
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forEachIndexed

Performs the given action on each element, providing sequential index with the element.

fun IntArray.forEachIndexed(
    action: (index: Int, Int) -> Unit)
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getOrElse

Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this array.

fun IntArray.getOrElse(
    index: Int,
    defaultValue: (Int) -> Int
): Int
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getOrNull

Returns an element at the given index or null if the index is out of bounds of this array.

fun IntArray.getOrNull(index: Int): Int?
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groupBy

Groups elements of the original array by the key returned by the given keySelector function applied to each element and returns a map where each group key is associated with a list of corresponding elements.

fun <K> IntArray.groupBy(
    keySelector: (Int) -> K
): Map<K, List<Int>>

Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and returns a map where each group key is associated with a list of corresponding values.

fun <K, V> IntArray.groupBy(
    keySelector: (Int) -> K,
    valueTransform: (Int) -> V
): Map<K, List<V>>
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groupByTo

Groups elements of the original array by the key returned by the given keySelector function applied to each element and puts to the destination map each group key associated with a list of corresponding elements.

fun <K, M : MutableMap<in K, MutableList<Int>>> IntArray.groupByTo(
    destination: M,
    keySelector: (Int) -> K
): M

Groups values returned by the valueTransform function applied to each element of the original array by the key returned by the given keySelector function applied to the element and puts to the destination map each group key associated with a list of corresponding values.

fun <K, V, M : MutableMap<in K, MutableList<V>>> IntArray.groupByTo(
    destination: M,
    keySelector: (Int) -> K,
    valueTransform: (Int) -> V
): M
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indexOf

Returns first index of element, or -1 if the array does not contain element.

fun IntArray.indexOf(element: Int): Int
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indexOfFirst

Returns index of the first element matching the given predicate, or -1 if the array does not contain such element.

fun IntArray.indexOfFirst(predicate: (Int) -> Boolean): Int
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indexOfLast

Returns index of the last element matching the given predicate, or -1 if the array does not contain such element.

fun IntArray.indexOfLast(predicate: (Int) -> Boolean): Int
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intersect

Returns a set containing all elements that are contained by both this array and the specified collection.

infix fun IntArray.intersect(other: Iterable<Int>): Set<Int>
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isEmpty

Returns true if the array is empty.

fun IntArray.isEmpty(): Boolean
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isNotEmpty

Returns true if the array is not empty.

fun IntArray.isNotEmpty(): Boolean
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joinTo

Appends the string from all the elements separated using separator and using the given prefix and postfix if supplied.

fun <A : Appendable> IntArray.joinTo(
    buffer: A,
    separator: CharSequence = ", ",
    prefix: CharSequence = "",
    postfix: CharSequence = "",
    limit: Int = -1,
    truncated: CharSequence = "...",
    transform: ((Int) -> CharSequence)? = null
): A
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joinToString

Creates a string from all the elements separated using separator and using the given prefix and postfix if supplied.

fun IntArray.joinToString(
    separator: CharSequence = ", ",
    prefix: CharSequence = "",
    postfix: CharSequence = "",
    limit: Int = -1,
    truncated: CharSequence = "...",
    transform: ((Int) -> CharSequence)? = null
): String
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last

Returns the last element.

fun IntArray.last(): Int

Returns the last element matching the given predicate.

fun IntArray.last(predicate: (Int) -> Boolean): Int
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lastIndexOf

Returns last index of element, or -1 if the array does not contain element.

fun IntArray.lastIndexOf(element: Int): Int
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lastOrNull

Returns the last element, or null if the array is empty.

fun IntArray.lastOrNull(): Int?

Returns the last element matching the given predicate, or null if no such element was found.

fun IntArray.lastOrNull(predicate: (Int) -> Boolean): Int?
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map

Returns a list containing the results of applying the given transform function to each element in the original array.

fun <R> IntArray.map(transform: (Int) -> R): List<R>
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mapIndexed

Returns a list containing the results of applying the given transform function to each element and its index in the original array.

fun <R> IntArray.mapIndexed(
    transform: (index: Int, Int) -> R
): List<R>
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mapIndexedTo

Applies the given transform function to each element and its index in the original array and appends the results to the given destination.

fun <R, C : MutableCollection<in R>> IntArray.mapIndexedTo(
    destination: C,
    transform: (index: Int, Int) -> R
): C
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mapTo

Applies the given transform function to each element of the original array and appends the results to the given destination.

fun <R, C : MutableCollection<in R>> IntArray.mapTo(
    destination: C,
    transform: (Int) -> R
): C
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1.4

maxByOrNull

Returns the first element yielding the largest value of the given function or null if there are no elements.

fun <R : Comparable<R>> IntArray.maxByOrNull(
    selector: (Int) -> R
): Int?
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maxOf

Returns the largest value among all values produced by selector function applied to each element in the array.

fun <R : Comparable<R>> any_array<R>.maxOf(
    selector: (Int) -> R
): R
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maxOfOrNull

Returns the largest value among all values produced by selector function applied to each element in the array or null if there are no elements.

fun <R : Comparable<R>> any_array<R>.maxOfOrNull(
    selector: (Int) -> R
): R?
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maxOfWith

Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the array.

fun <R> IntArray.maxOfWith(
    comparator: Comparator<in R>,
    selector: (Int) -> R
): R
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maxOfWithOrNull

Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the array or null if there are no elements.

fun <R> IntArray.maxOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Int) -> R
): R?
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maxOrNull

Returns the largest element or null if there are no elements.

fun IntArray.maxOrNull(): Int?

maxWith

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1.7

Returns the first element having the largest value according to the provided comparator.

fun IntArray.maxWith(comparator: Comparator<in Int>): Int
JVM
1.0
fun IntArray.maxWith(comparator: Comparator<in Int>): Int?
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maxWithOrNull

Returns the first element having the largest value according to the provided comparator or null if there are no elements.

fun IntArray.maxWithOrNull(
    comparator: Comparator<in Int>
): Int?
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minByOrNull

Returns the first element yielding the smallest value of the given function or null if there are no elements.

fun <R : Comparable<R>> IntArray.minByOrNull(
    selector: (Int) -> R
): Int?
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minOf

Returns the smallest value among all values produced by selector function applied to each element in the array.

fun <R : Comparable<R>> any_array<R>.minOf(
    selector: (Int) -> R
): R
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minOfOrNull

Returns the smallest value among all values produced by selector function applied to each element in the array or null if there are no elements.

fun <R : Comparable<R>> any_array<R>.minOfOrNull(
    selector: (Int) -> R
): R?
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minOfWith

Returns the smallest value according to the provided comparator among all values produced by selector function applied to each element in the array.

fun <R> IntArray.minOfWith(
    comparator: Comparator<in R>,
    selector: (Int) -> R
): R
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minOfWithOrNull

Returns the smallest value according to the provided comparator among all values produced by selector function applied to each element in the array or null if there are no elements.

fun <R> IntArray.minOfWithOrNull(
    comparator: Comparator<in R>,
    selector: (Int) -> R
): R?
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minOrNull

Returns the smallest element or null if there are no elements.

fun IntArray.minOrNull(): Int?

minWith

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1.7

Returns the first element having the smallest value according to the provided comparator.

fun IntArray.minWith(comparator: Comparator<in Int>): Int
JVM
1.0
fun IntArray.minWith(comparator: Comparator<in Int>): Int?
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minWithOrNull

Returns the first element having the smallest value according to the provided comparator or null if there are no elements.

fun IntArray.minWithOrNull(
    comparator: Comparator<in Int>
): Int?
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none

Returns true if the array has no elements.

fun IntArray.none(): Boolean

Returns true if no elements match the given predicate.

fun IntArray.none(predicate: (Int) -> Boolean): Boolean
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onEach

Performs the given action on each element and returns the array itself afterwards.

fun IntArray.onEach(action: (Int) -> Unit): IntArray
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onEachIndexed

Performs the given action on each element, providing sequential index with the element, and returns the array itself afterwards.

fun IntArray.onEachIndexed(
    action: (index: Int, Int) -> Unit
): IntArray
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partition

Splits the original array into pair of lists, where first list contains elements for which predicate yielded true, while second list contains elements for which predicate yielded false.

fun IntArray.partition(
    predicate: (Int) -> Boolean
): Pair<List<Int>, List<Int>>
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1.3

random

Returns a random element from this array.

fun IntArray.random(): Int

Returns a random element from this array using the specified source of randomness.

fun IntArray.random(random: Random): Int
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1.4

randomOrNull

Returns a random element from this array, or null if this array is empty.

fun IntArray.randomOrNull(): Int?

Returns a random element from this array using the specified source of randomness, or null if this array is empty.

fun IntArray.randomOrNull(random: Random): Int?
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1.0

reduce

Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element.

fun IntArray.reduce(operation: (acc: Int, Int) -> Int): Int
Common
JVM
JS
Native
1.0

reduceIndexed

Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element with its index in the original array.

fun IntArray.reduceIndexed(
    operation: (index: Int, acc: Int, Int) -> Int
): Int
Common
JVM
JS
Native
1.4

reduceIndexedOrNull

Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element with its index in the original array.

fun IntArray.reduceIndexedOrNull(
    operation: (index: Int, acc: Int, Int) -> Int
): Int?
Common
JVM
JS
Native
1.4

reduceOrNull

Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element.

fun IntArray.reduceOrNull(
    operation: (acc: Int, Int) -> Int
): Int?
Common
JVM
JS
Native
1.0

reduceRight

Accumulates value starting with the last element and applying operation from right to left to each element and current accumulator value.

fun IntArray.reduceRight(
    operation: (Int, acc: Int) -> Int
): Int
Common
JVM
JS
Native
1.0

reduceRightIndexed

Accumulates value starting with the last element and applying operation from right to left to each element with its index in the original array and current accumulator value.

fun IntArray.reduceRightIndexed(
    operation: (index: Int, Int, acc: Int) -> Int
): Int
Common
JVM
JS
Native
1.4

reduceRightIndexedOrNull

Accumulates value starting with the last element and applying operation from right to left to each element with its index in the original array and current accumulator value.

fun IntArray.reduceRightIndexedOrNull(
    operation: (index: Int, Int, acc: Int) -> Int
): Int?
Common
JVM
JS
Native
1.4

reduceRightOrNull

Accumulates value starting with the last element and applying operation from right to left to each element and current accumulator value.

fun IntArray.reduceRightOrNull(
    operation: (Int, acc: Int) -> Int
): Int?
Native
1.3

refTo

fun IntArray.refTo(index: Int): CValuesRef<IntVar>
Common
JVM
JS
Native
1.0

reverse

Reverses elements in the array in-place.

fun IntArray.reverse()

Reverses elements of the array in the specified range in-place.

fun IntArray.reverse(fromIndex: Int, toIndex: Int)
Common
JVM
JS
Native
1.0

reversed

Returns a list with elements in reversed order.

fun IntArray.reversed(): List<Int>
Common
JVM
JS
Native
1.0

reversedArray

Returns an array with elements of this array in reversed order.

fun IntArray.reversedArray(): IntArray
Common
JVM
JS
Native
1.4

runningFold

Returns a list containing successive accumulation values generated by applying operation from left to right to each element and current accumulator value that starts with initial value.

fun <R> IntArray.runningFold(
    initial: R,
    operation: (acc: R, Int) -> R
): List<R>
Common
JVM
JS
Native
1.4

runningFoldIndexed

Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with initial value.

fun <R> IntArray.runningFoldIndexed(
    initial: R,
    operation: (index: Int, acc: R, Int) -> R
): List<R>
Common
JVM
JS
Native
1.4

runningReduce

Returns a list containing successive accumulation values generated by applying operation from left to right to each element and current accumulator value that starts with the first element of this array.

fun IntArray.runningReduce(
    operation: (acc: Int, Int) -> Int
): List<Int>
Common
JVM
JS
Native
1.4

runningReduceIndexed

Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with the first element of this array.

fun IntArray.runningReduceIndexed(
    operation: (index: Int, acc: Int, Int) -> Int
): List<Int>
Common
JVM
JS
Native
1.4

scan

Returns a list containing successive accumulation values generated by applying operation from left to right to each element and current accumulator value that starts with initial value.

fun <R> IntArray.scan(
    initial: R,
    operation: (acc: R, Int) -> R
): List<R>
Common
JVM
JS
Native
1.4

scanIndexed

Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original array and current accumulator value that starts with initial value.

fun <R> IntArray.scanIndexed(
    initial: R,
    operation: (index: Int, acc: R, Int) -> R
): List<R>
Common
JVM
JS
Native
1.4

shuffle

Randomly shuffles elements in this array in-place.

fun IntArray.shuffle()

Randomly shuffles elements in this array in-place using the specified random instance as the source of randomness.

fun IntArray.shuffle(random: Random)
Common
JVM
JS
Native
1.0

single

Returns the single element, or throws an exception if the array is empty or has more than one element.

fun IntArray.single(): Int

Returns the single element matching the given predicate, or throws exception if there is no or more than one matching element.

fun IntArray.single(predicate: (Int) -> Boolean): Int
Common
JVM
JS
Native
1.0

singleOrNull

Returns single element, or null if the array is empty or has more than one element.

fun IntArray.singleOrNull(): Int?

Returns the single element matching the given predicate, or null if element was not found or more than one element was found.

fun IntArray.singleOrNull(predicate: (Int) -> Boolean): Int?
Common
JVM
JS
Native
1.0

slice

Returns a list containing elements at indices in the specified indices range.

fun IntArray.slice(indices: IntRange): List<Int>

Returns a list containing elements at specified indices.

fun IntArray.slice(indices: Iterable<Int>): List<Int>
Common
JVM
JS
Native
1.0

sliceArray

Returns an array containing elements of this array at specified indices.

fun IntArray.sliceArray(indices: Collection<Int>): IntArray

Returns an array containing elements at indices in the specified indices range.

fun IntArray.sliceArray(indices: IntRange): IntArray
JS
1.1

sort

Sorts the array in-place according to the order specified by the given comparison function.

fun IntArray.sort(comparison: (a: Int, b: Int) -> Int)
Common
JVM
JS
Native
1.0

sortDescending

Sorts elements in the array in-place descending according to their natural sort order.

fun IntArray.sortDescending()

Sorts elements of the array in the specified range in-place. The elements are sorted descending according to their natural sort order.

fun IntArray.sortDescending(fromIndex: Int, toIndex: Int)
Common
JVM
JS
Native
1.0

sorted

Returns a list of all elements sorted according to their natural sort order.

fun IntArray.sorted(): List<Int>
Common
JVM
JS
Native
1.0

sortedArray

Returns an array with all elements of this array sorted according to their natural sort order.

fun IntArray.sortedArray(): IntArray
Common
JVM
JS
Native
1.0

sortedArrayDescending

Returns an array with all elements of this array sorted descending according to their natural sort order.

fun IntArray.sortedArrayDescending(): IntArray
Common
JVM
JS
Native
1.0

sortedBy

Returns a list of all elements sorted according to natural sort order of the value returned by specified selector function.

fun <R : Comparable<R>> IntArray.sortedBy(
    selector: (Int) -> R?
): List<Int>
Common
JVM
JS
Native
1.0

sortedByDescending

Returns a list of all elements sorted descending according to natural sort order of the value returned by specified selector function.

fun <R : Comparable<R>> IntArray.sortedByDescending(
    selector: (Int) -> R?
): List<Int>
Common
JVM
JS
Native
1.0

sortedDescending

Returns a list of all elements sorted descending according to their natural sort order.

fun IntArray.sortedDescending(): List<Int>
Common
JVM
JS
Native
1.0

sortedWith

Returns a list of all elements sorted according to the specified comparator.

fun IntArray.sortedWith(
    comparator: Comparator<in Int>
): List<Int>
Common
JVM
JS
Native
1.0

subtract

Returns a set containing all elements that are contained by this array and not contained by the specified collection.

infix fun IntArray.subtract(other: Iterable<Int>): Set<Int>
Common
JVM
JS
Native
1.0

sum

Returns the sum of all elements in the array.

fun IntArray.sum(): Int
Common
JVM
JS
Native
1.0

sumBy

Returns the sum of all values produced by selector function applied to each element in the array.

fun IntArray.sumBy(selector: (Int) -> Int): Int
Common
JVM
JS
Native
1.0

sumByDouble

Returns the sum of all values produced by selector function applied to each element in the array.

fun IntArray.sumByDouble(selector: (Int) -> Double): Double

sumOf

Returns the sum of all values produced by selector function applied to each element in the array.

Common
JVM
JS
Native
1.4
fun IntArray.sumOf(selector: (Int) -> Double): Double
Common
JVM
JS
Native
1.4
fun IntArray.sumOf(selector: (Int) -> Int): Int
Common
JVM
JS
Native
1.4
fun IntArray.sumOf(selector: (Int) -> Long): Long
Common
JVM
JS
Native
1.5
fun IntArray.sumOf(selector: (Int) -> UInt): UInt
Common
JVM
JS
Native
1.5
fun IntArray.sumOf(selector: (Int) -> ULong): ULong
JVM
1.4
fun IntArray.sumOf(selector: (Int) -> BigDecimal): BigDecimal
JVM
1.4
fun IntArray.sumOf(selector: (Int) -> BigInteger): BigInteger
Common
JVM
JS
Native
1.0

take

Returns a list containing first n elements.

fun IntArray.take(n: Int): List<Int>
Common
JVM
JS
Native
1.0

takeLast

Returns a list containing last n elements.

fun IntArray.takeLast(n: Int): List<Int>
Common
JVM
JS
Native
1.0

takeLastWhile

Returns a list containing last elements satisfying the given predicate.

fun IntArray.takeLastWhile(
    predicate: (Int) -> Boolean
): List<Int>
Common
JVM
JS
Native
1.0

takeWhile

Returns a list containing first elements satisfying the given predicate.

fun IntArray.takeWhile(
    predicate: (Int) -> Boolean
): List<Int>
Common
JVM
JS
Native
1.0

toCollection

Appends all elements to the given destination collection.

fun <C : MutableCollection<in Int>> IntArray.toCollection(
    destination: C
): C
Native
1.3

toCValues

fun IntArray.toCValues(): CValues<IntVar>
Common
JVM
JS
Native
1.0

toHashSet

Returns a new HashSet of all elements.

fun IntArray.toHashSet(): HashSet<Int>
Common
JVM
JS
Native
1.0

toList

Returns a List containing all elements.

fun IntArray.toList(): List<Int>
Common
JVM
JS
Native
1.0

toMutableList

Returns a new MutableList filled with all elements of this array.

fun IntArray.toMutableList(): MutableList<Int>
Common
JVM
JS
Native
1.0

toMutableSet

Returns a new MutableSet containing all distinct elements from the given array.

fun IntArray.toMutableSet(): MutableSet<Int>
Common
JVM
JS
Native
1.0

toSet

Returns a Set of all elements.

fun IntArray.toSet(): Set<Int>
JVM
1.0

toSortedSet

Returns a new SortedSet of all elements.

fun IntArray.toSortedSet(): SortedSet<Int>
Common
JVM
JS
Native
1.3

toUIntArray

Returns an array of type UIntArray, which is a copy of this array where each element is an unsigned reinterpretation of the corresponding element of this array.

fun IntArray.toUIntArray(): UIntArray
Common
JVM
JS
Native
1.0

union

Returns a set containing all distinct elements from both collections.

infix fun IntArray.union(other: Iterable<Int>): Set<Int>
Common
JVM
JS
Native
1.0

withIndex

Returns a lazy Iterable that wraps each element of the original array into an IndexedValue containing the index of that element and the element itself.

fun IntArray.withIndex(): Iterable<IndexedValue<Int>>
Common
JVM
JS
Native
1.0

zip

Returns a list of pairs built from the elements of this array and the other array with the same index. The returned list has length of the shortest collection.

infix fun <R> any_array<R>.zip(
    other: Array<out R>
): List<Pair<Int, R>>

Returns a list of values built from the elements of this array and the other array with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.

fun <R, V> IntArray.zip(
    other: Array<out R>,
    transform: (a: Int, b: R) -> V
): List<V>

Returns a list of pairs built from the elements of this collection and other array with the same index. The returned list has length of the shortest collection.

infix fun <R> IntArray.zip(
    other: Iterable<R>
): List<Pair<Int, R>>

Returns a list of values built from the elements of this array and the other collection with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest collection.

fun <R, V> IntArray.zip(
    other: Iterable<R>,
    transform: (a: Int, b: R) -> V
): List<V>

Returns a list of values built from the elements of this array and the other array with the same index using the provided transform function applied to each pair of elements. The returned list has length of the shortest array.

fun <V> IntArray.zip(
    other: IntArray,
    transform: (a: Int, b: Int) -> V
): List<V>