IntArray

class IntArray(size: Int)

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

Constructors

IntArray

JRE

fun IntArray(size: Int, init: (Int) -> Int)

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

IntArray

JRE

fun IntArray(size: Int)

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

Functions

get

JRE

operator fun get(index: Int): Int

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

iterator

JRE

operator fun iterator(): IntIterator

Creates an iterator over the elements of the array.

set

JRE

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

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

Properties

size

JRE

val size: Int

Returns the number of elements in the array.

Extensions

all

Common

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

Returns true if all elements match the given predicate.

any

Common

fun IntArray.any(): Boolean

Returns true if array has at least one element.

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

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

asIterable

Common

fun IntArray.asIterable(): Iterable<Int>

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

asList

Common

fun IntArray.asList(): List<Int>

Returns a List that wraps the original array.

JRE

fun IntArray.asList(): List<Int>

Returns a List that wraps the original array.

inline fun IntArray.asList(): List<Int>

Returns a List that wraps the original array.

Native

fun IntArray.asList(): List<Int>

Returns a List that wraps the original array.

asSequence

Common

fun IntArray.asSequence(): Sequence<Int>

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

associate

Common

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

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

associateBy

Common

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

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

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

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

associateByTo

Common

inline 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 applied to each element of the given array and value is the element itself.

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

associateTo

Common

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

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

associateWith

Common

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

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

associateWithTo

Common

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

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.

asUIntArray

Common

@ExperimentalUnsignedTypes

inline fun IntArray.asUIntArray(): UIntArray

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.

average

Common

fun IntArray.average(): Double

Returns an average value of elements in the array.

binarySearch

JRE

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

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.

component1

Common

inline operator fun IntArray.component1(): Int

Returns 1st element from the array.

component2

Common

inline operator fun IntArray.component2(): Int

Returns 2nd element from the array.

component3

Common

inline operator fun IntArray.component3(): Int

Returns 3rd element from the array.

component4

Common

inline operator fun IntArray.component4(): Int

Returns 4th element from the array.

component5

Common

inline operator fun IntArray.component5(): Int

Returns 5th element from the array.

contains

Common

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

Returns true if element is found in the array.

contentEquals

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~infix~~ ~~fun~~ IntArray.~~contentEquals~~(~~other~~: IntArray): Boolean

infix fun IntArray?.contentEquals(other: IntArray?): Boolean

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~infix inline~~ ~~fun~~ IntArray.~~contentEquals~~(~~other~~: IntArray): Boolean

@JvmName(name = "contentEqualsNullable")

infix inline fun IntArray?.contentEquals(other: IntArray?): Boolean

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~infix~~ ~~fun~~ IntArray.~~contentEquals~~(~~other~~: IntArray): Boolean

infix fun IntArray?.contentEquals(other: IntArray?): Boolean

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~infix~~ ~~fun~~ IntArray.~~contentEquals~~(~~other~~: IntArray): Boolean

infix fun IntArray?.contentEquals(other: IntArray?): Boolean

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.

contentHashCode

Common

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentHashCode~~(): Int

fun IntArray?.contentHashCode(): Int

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

JRE

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~inline~~ ~~fun~~ IntArray.~~contentHashCode~~(): Int

@JvmName(name = "contentHashCodeNullable")

inline fun IntArray?.contentHashCode(): Int

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

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentHashCode~~(): Int

fun IntArray?.contentHashCode(): Int

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

Native

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentHashCode~~(): Int

fun IntArray?.contentHashCode(): Int

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

contentToString

Common

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentToString~~(): String

fun IntArray?.contentToString(): String

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

JRE

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~inline~~ ~~fun~~ IntArray.~~contentToString~~(): String

@JvmName(name = "contentToStringNullable")

inline fun IntArray?.contentToString(): String

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

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentToString~~(): String

fun IntArray?.contentToString(): String

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

Native

@DeprecatedSinceKotlin(hiddenSince = "1.4")

~~fun~~ IntArray.~~contentToString~~(): String

fun IntArray?.contentToString(): String

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

copyInto

fun IntArray.copyInto(destination: IntArray, destinationOffset: Int, startIndex: Int, endIndex: Int): IntArray

inline fun IntArray.copyInto(destination: IntArray, destinationOffset: Int, startIndex: Int, endIndex: Int): IntArray

fun IntArray.copyInto(destination: IntArray, destinationOffset: Int, startIndex: Int, endIndex: Int): IntArray

Copies this array or its subrange into the destination array and returns that array.

copyOf

fun IntArray.copyOf(): IntArray

inline fun IntArray.copyOf(): IntArray

fun IntArray.copyOf(): IntArray

Returns new array which is a copy of the original array.

fun IntArray.copyOf(newSize: Int): IntArray

inline fun IntArray.copyOf(newSize: Int): IntArray

fun IntArray.copyOf(newSize: Int): IntArray

Returns new array which is a copy of the original array, resized to the given newSize. The copy is either truncated or padded at the end with zero values if necessary.

copyOfRange

fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray

@JvmName(name = "copyOfRangeInline")

inline fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray

fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray

Returns a new array which is a copy of the specified range of the original array.

count

Common

inline fun IntArray.count(): Int

Returns the number of elements in this array.

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

Returns the number of elements matching the given predicate.

distinct

Common

fun IntArray.distinct(): List<Int>

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

distinctBy

Common

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

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

drop

Common

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

Returns a list containing all elements except first n elements.

dropLast

Common

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

Returns a list containing all elements except last n elements.

dropLastWhile

Common

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

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

dropWhile

Common

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

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

elementAt

fun IntArray.elementAt(index: Int): Int

inline fun IntArray.elementAt(index: Int): Int

fun IntArray.elementAt(index: Int): Int

inline fun IntArray.elementAt(index: Int): Int

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

elementAtOrElse

Common

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

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.

elementAtOrNull

Common

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

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

fill

fun IntArray.fill(element: Int, fromIndex: Int, toIndex: Int)

Fills this array or its subrange with the specified element value.

filter

Common

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

Returns a list containing only elements matching the given predicate.

filterIndexed

Common

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

Returns a list containing only elements matching the given predicate.

filterIndexedTo

Common

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

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

filterNot

Common

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

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

filterNotTo

Common

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

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

filterTo

Common

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

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

find

Common

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

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

findLast

Common

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

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

first

Common

fun IntArray.first(): Int

Returns first element.

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

Returns the first element matching the given predicate.

firstOrNull

Common

fun IntArray.firstOrNull(): Int?

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

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

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

flatMap

Common

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

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

flatMapIndexed

Common

@JvmName(name = "flatMapIndexedIterable")

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

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.

flatMapIndexedTo

Common

@JvmName(name = "flatMapIndexedIterableTo")

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

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.

flatMapTo

Common

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

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

fold

Common

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

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

foldIndexed

Common

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

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.

foldRight

Common

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

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

foldRightIndexed

Common

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

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.

forEach

Common

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

Performs the given action on each element.

forEachIndexed

Common

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

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

getOrElse

Common

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

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.

getOrNull

Common

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

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

groupBy

Common

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

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.

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

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.

groupByTo

Common

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

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.

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

indexOf

Common

fun IntArray.indexOf(element: Int): Int

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

indexOfFirst

Common

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

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

indexOfLast

Common

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

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

indices

Common

val IntArray.indices: IntRange

Returns the range of valid indices for the array.

intersect

Common

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

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

isEmpty

Common

inline fun IntArray.isEmpty(): Boolean

Returns true if the array is empty.

isNotEmpty

Common

inline fun IntArray.isNotEmpty(): Boolean

Returns true if the array is not empty.

joinTo

Common

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

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

joinToString

Common

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

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

last

Common

fun IntArray.last(): Int

Returns the last element.

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

Returns the last element matching the given predicate.

lastIndex

Common

val IntArray.lastIndex: Int

Returns the last valid index for the array.

lastIndexOf

Common

fun IntArray.lastIndexOf(element: Int): Int

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

lastOrNull

Common

fun IntArray.lastOrNull(): Int?

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

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

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

map

Common

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

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

mapIndexed

Common

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

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

mapIndexedTo

Common

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

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

mapTo

Common

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

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

max

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~fun~~ IntArray.~~max~~(): Int?

maxBy

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~inline~~ ~~fun~~ <R : Comparable<R>> IntArray.~~maxBy~~(~~selector~~: (Int) -> R): Int?

maxByOrNull

Common

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

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

maxOf

Common

inline fun IntArray.maxOf(selector: (Int) -> Double): Double

inline fun IntArray.maxOf(selector: (Int) -> Float): Float

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

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

maxOfOrNull

Common

inline fun IntArray.maxOfOrNull(selector: (Int) -> Double): Double?

inline fun IntArray.maxOfOrNull(selector: (Int) -> Float): Float?

inline fun <R : Comparable<R>> IntArray.maxOfOrNull(selector: (Int) -> R): R?

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.

maxOfWith

Common

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

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

maxOfWithOrNull

Common

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

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.

maxOrNull

Common

fun IntArray.maxOrNull(): Int?

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

maxWith

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~fun~~ IntArray.~~maxWith~~(~~comparator~~: Comparator<in Int>): Int?

maxWithOrNull

Common

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

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

min

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~fun~~ IntArray.~~min~~(): Int?

minBy

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~inline~~ ~~fun~~ <R : Comparable<R>> IntArray.~~minBy~~(~~selector~~: (Int) -> R): Int?

minByOrNull

Common

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

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

minOf

Common

inline fun IntArray.minOf(selector: (Int) -> Double): Double

inline fun IntArray.minOf(selector: (Int) -> Float): Float

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

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

minOfOrNull

Common

inline fun IntArray.minOfOrNull(selector: (Int) -> Double): Double?

inline fun IntArray.minOfOrNull(selector: (Int) -> Float): Float?

inline fun <R : Comparable<R>> IntArray.minOfOrNull(selector: (Int) -> R): R?

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.

minOfWith

Common

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

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

minOfWithOrNull

Common

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

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.

minOrNull

Common

fun IntArray.minOrNull(): Int?

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

minWith

Common

@DeprecatedSinceKotlin(warningSince = "1.4", errorSince = "1.5")

~~fun~~ IntArray.~~minWith~~(~~comparator~~: Comparator<in Int>): Int?

minWithOrNull

Common

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

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

none

Common

fun IntArray.none(): Boolean

Returns true if the array has no elements.

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

Returns true if no elements match the given predicate.

onEach

Common

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

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

onEachIndexed

Common

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

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

partition

Common

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

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.

plus

operator fun IntArray.plus(element: Int): IntArray

inline operator fun IntArray.plus(element: Int): IntArray

operator fun IntArray.plus(element: Int): IntArray

Returns an array containing all elements of the original array and then the given element.

operator fun IntArray.plus(elements: Collection<Int>): IntArray

Returns an array containing all elements of the original array and then all elements of the given elements collection.

operator fun IntArray.plus(elements: IntArray): IntArray

inline operator fun IntArray.plus(elements: IntArray): IntArray

operator fun IntArray.plus(elements: IntArray): IntArray

Returns an array containing all elements of the original array and then all elements of the given elements array.

random

Common

inline fun IntArray.random(): Int

Returns a random element from this array.

fun IntArray.random(random: Random): Int

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

randomOrNull

Common

inline fun IntArray.randomOrNull(): Int?

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

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

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

reduce

Common

inline fun IntArray.reduce(operation: (acc: Int, Int) -> Int): Int

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

reduceIndexed

Common

inline fun IntArray.reduceIndexed(operation: (index: Int, acc: Int, Int) -> Int): Int

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.

reduceIndexedOrNull

Common

inline fun IntArray.reduceIndexedOrNull(operation: (index: Int, acc: Int, Int) -> Int): Int?

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.

reduceOrNull

Common

inline fun IntArray.reduceOrNull(operation: (acc: Int, Int) -> Int): Int?

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

reduceRight

Common

inline fun IntArray.reduceRight(operation: (Int, acc: Int) -> Int): Int

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

reduceRightIndexed

Common

inline fun IntArray.reduceRightIndexed(operation: (index: Int, Int, acc: Int) -> Int): Int

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.

reduceRightIndexedOrNull

Common

inline fun IntArray.reduceRightIndexedOrNull(operation: (index: Int, Int, acc: Int) -> Int): Int?

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.

reduceRightOrNull

Common

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

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

refTo

Native

fun IntArray.refTo(index: Int): CValuesRef<IntVar>

reverse

Common

fun IntArray.reverse()

Reverses elements in the array in-place.

fun IntArray.reverse(fromIndex: Int, toIndex: Int)

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

reversed

Common

fun IntArray.reversed(): List<Int>

Returns a list with elements in reversed order.

reversedArray

Common

fun IntArray.reversedArray(): IntArray

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

runningFold

Common

inline fun <R> IntArray.runningFold(initial: R, operation: (R, Int) -> R): List<R>

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.

runningFoldIndexed

Common

inline fun <R> IntArray.runningFoldIndexed(initial: R, operation: (index: Int, R, Int) -> R): List<R>

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.

runningReduce

Common

inline fun IntArray.runningReduce(operation: (acc: Int, Int) -> Int): List<Int>

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.

runningReduceIndexed

Common

inline fun IntArray.runningReduceIndexed(operation: (index: Int, acc: Int, Int) -> Int): List<Int>

scan

Common

inline fun <R> IntArray.scan(initial: R, operation: (R, Int) -> R): List<R>

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.

scanIndexed

Common

inline fun <R> IntArray.scanIndexed(initial: R, operation: (index: Int, R, Int) -> R): List<R>

shuffle

Common

fun IntArray.shuffle()

Randomly shuffles elements in this array in-place.

fun IntArray.shuffle(random: Random)

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

single

Common

fun IntArray.single(): Int

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

inline fun IntArray.single(predicate: (Int) -> Boolean): Int

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

singleOrNull

Common

fun IntArray.singleOrNull(): Int?

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

inline fun IntArray.singleOrNull(predicate: (Int) -> Boolean): Int?

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

slice

Common

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

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

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

Returns a list containing elements at specified indices.

sliceArray

Common

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

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

fun IntArray.sliceArray(indices: IntRange): IntArray

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

sort

inline fun IntArray.sort(noinline comparison: (a: Int, b: Int) -> Int)

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

fun IntArray.sort()

Sorts the array in-place.

fun IntArray.sort(fromIndex: Int, toIndex: Int)

Sorts a range in the array in-place.

sortDescending

Common

fun IntArray.sortDescending()

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

fun IntArray.sortDescending(fromIndex: Int, toIndex: Int)

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

sorted

Common

fun IntArray.sorted(): List<Int>

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

sortedArray

Common

fun IntArray.sortedArray(): IntArray

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

sortedArrayDescending

Common

fun IntArray.sortedArrayDescending(): IntArray

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

sortedBy

Common

inline fun <R : Comparable<R>> IntArray.sortedBy(crossinline selector: (Int) -> R?): List<Int>

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

sortedByDescending

Common

inline fun <R : Comparable<R>> IntArray.sortedByDescending(crossinline selector: (Int) -> R?): List<Int>

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

sortedDescending

Common

fun IntArray.sortedDescending(): List<Int>

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

sortedWith

Common

fun IntArray.sortedWith(comparator: Comparator<in Int>): List<Int>

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

subtract

Common

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

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

sum

Common

fun IntArray.sum(): Int

Returns the sum of all elements in the array.

sumBy

Common

@DeprecatedSinceKotlin(warningSince = "1.5")

~~inline~~ ~~fun~~ IntArray.~~sumBy~~(~~selector~~: (Int) -> Int): Int

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

sumByDouble

Common

@DeprecatedSinceKotlin(warningSince = "1.5")

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

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

sumOf

@JvmName(name = "sumOfDouble")

inline fun IntArray.sumOf(selector: (Int) -> Double): Double

@JvmName(name = "sumOfInt")

inline fun IntArray.sumOf(selector: (Int) -> Int): Int

@JvmName(name = "sumOfLong")

inline fun IntArray.sumOf(selector: (Int) -> Long): Long

@JvmName(name = "sumOfUInt")

inline fun IntArray.sumOf(selector: (Int) -> UInt): UInt

@JvmName(name = "sumOfULong")

inline fun IntArray.sumOf(selector: (Int) -> ULong): ULong

@JvmName(name = "sumOfBigDecimal")

inline fun IntArray.sumOf(selector: (Int) -> BigDecimal): BigDecimal

@JvmName(name = "sumOfBigInteger")

inline fun IntArray.sumOf(selector: (Int) -> BigInteger): BigInteger

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

take

Common

fun IntArray.take(n: Int): List<Int>

Returns a list containing first n elements.

takeLast

Common

fun IntArray.takeLast(n: Int): List<Int>

Returns a list containing last n elements.

takeLastWhile

Common

inline fun IntArray.takeLastWhile(predicate: (Int) -> Boolean): List<Int>

Returns a list containing last elements satisfying the given predicate.

takeWhile

Common

inline fun IntArray.takeWhile(predicate: (Int) -> Boolean): List<Int>

Returns a list containing first elements satisfying the given predicate.

toCollection

Common

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

Appends all elements to the given destination collection.

toCValues

Native

fun IntArray.toCValues(): CValues<IntVar>

toHashSet

Common

fun IntArray.toHashSet(): HashSet<Int>

Returns a new HashSet of all elements.

toList

Common

fun IntArray.toList(): List<Int>

Returns a List containing all elements.

toMutableList

Common

fun IntArray.toMutableList(): MutableList<Int>

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

toMutableSet

Common

fun IntArray.toMutableSet(): MutableSet<Int>

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

toSet

Common

fun IntArray.toSet(): Set<Int>

Returns a Set of all elements.

toSortedSet

JRE

fun IntArray.toSortedSet(): SortedSet<Int>

Returns a new SortedSet of all elements.

toTypedArray

fun IntArray.toTypedArray(): Array<Int>

Returns a typed object array containing all of the elements of this primitive array.

toUIntArray

Common

@ExperimentalUnsignedTypes

inline fun IntArray.toUIntArray(): UIntArray

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.

union

Common

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

Returns a set containing all distinct elements from both collections.

withIndex

Common

fun IntArray.withIndex(): Iterable<IndexedValue<Int>>

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.

zip

Common

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

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

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.

inline fun <R, V> IntArray.zip(other: Array<out R>, transform: (a: Int, 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 collection.

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

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.

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

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.

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