class IntArray
An array of ints. When targeting the JVM, instances of this class are represented as int[]
.
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. The init function returns an array element given its index. IntArray(size: Int) Creates a new array of the specified size, with all elements initialized to zero. |
val size: Int Returns the number of elements in the array. |
operator fun get(index: Int): Int Returns the array element at the given index. This method can be called using the index operator. | |
operator fun iterator(): IntIterator Creates an iterator over the elements of the array. | |
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. |
open operator fun equals(other: Any?): Boolean Indicates whether some other object is "equal to" this one. Implementations must fulfil the following requirements: | |
open fun hashCode(): Int Returns a hash code value for the object. The general contract of hashCode is: | |
open fun toString(): String Returns a string representation of the object. |
val IntArray.indices: IntRange Returns the range of valid indices for the array. | |
val IntArray.lastIndex: Int Returns the last valid index for the array. |
fun IntArray.all(predicate: (Int) -> Boolean): Boolean Returns | |
fun IntArray.any(): Boolean Returns fun IntArray.any(predicate: (Int) -> Boolean): Boolean Returns | |
fun IntArray.asIterable(): Iterable<Int> Creates an Iterable instance that wraps the original array returning its elements when being iterated. | |
fun IntArray.asList(): List<Int> Returns a List that wraps the original array. | |
fun IntArray.asSequence(): Sequence<Int> Creates a Sequence instance that wraps the original array returning its elements when being iterated. | |
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. | |
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. 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. | |
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. 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. | |
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. | |
fun IntArray.average(): Double Returns an average value of elements in the array. | |
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. | |
operator fun IntArray.component1(): Int Returns 1st element from the collection. | |
operator fun IntArray.component2(): Int Returns 2nd element from the collection. | |
operator fun IntArray.component3(): Int Returns 3rd element from the collection. | |
operator fun IntArray.component4(): Int Returns 4th element from the collection. | |
operator fun IntArray.component5(): Int Returns 5th element from the collection. | |
operator fun IntArray.contains(element: Int): Boolean Returns | |
infix fun IntArray.contentEquals(other: IntArray): Boolean Returns | |
fun IntArray.contentHashCode(): Int Returns a hash code based on the contents of this array as if it is List. | |
fun IntArray.contentToString(): String Returns a string representation of the contents of the specified array as if it is List. | |
fun IntArray.copyOf(): IntArray Returns new array which is a copy of the original array. fun IntArray.copyOf(newSize: Int): IntArray Returns new array which is a copy of the original array, resized to the given newSize. | |
fun IntArray.copyOfRange( fromIndex: Int, toIndex: Int ): IntArray Returns new array which is a copy of range of original array. | |
fun IntArray.count(): Int Returns the number of elements in this array. fun IntArray.count(predicate: (Int) -> Boolean): Int Returns the number of elements matching the given predicate. | |
fun IntArray.distinct(): List<Int> Returns a list containing only distinct elements from the given array. | |
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. | |
fun IntArray.drop(n: Int): List<Int> Returns a list containing all elements except first n elements. | |
fun IntArray.dropLast(n: Int): List<Int> Returns a list containing all elements except last n elements. | |
fun IntArray.dropLastWhile( predicate: (Int) -> Boolean ): List<Int> Returns a list containing all elements except last elements that satisfy the given predicate. | |
fun IntArray.dropWhile( predicate: (Int) -> Boolean ): List<Int> Returns a list containing all elements except first elements that satisfy the given predicate. | |
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. | |
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. | |
fun IntArray.elementAtOrNull(index: Int): Int? Returns an element at the given index or | |
fun IntArray.fill( element: Int, fromIndex: Int = 0, toIndex: Int = size) Fills original array with the provided value. | |
fun IntArray.filter(predicate: (Int) -> Boolean): List<Int> Returns a list containing only elements matching the given predicate. | |
fun IntArray.filterIndexed( predicate: (index: Int, Int) -> Boolean ): List<Int> Returns a list containing only elements matching the given predicate. | |
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. | |
fun IntArray.filterNot( predicate: (Int) -> Boolean ): List<Int> Returns a list containing all elements not matching the given predicate. | |
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. | |
fun <C : MutableCollection<in Int>> IntArray.filterTo( destination: C, predicate: (Int) -> Boolean ): C Appends all elements matching the given predicate to the given destination. | |
fun IntArray.find(predicate: (Int) -> Boolean): Int? Returns the first element matching the given predicate, or | |
fun IntArray.findLast(predicate: (Int) -> Boolean): Int? Returns the last element matching the given predicate, or | |
fun IntArray.first(): Int Returns first element. fun IntArray.first(predicate: (Int) -> Boolean): Int Returns the first element matching the given predicate. | |
fun IntArray.firstOrNull(): Int? Returns the first element, or fun IntArray.firstOrNull(predicate: (Int) -> Boolean): Int? Returns the first element matching the given predicate, or | |
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. | |
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. | |
fun <R> IntArray.fold( initial: R, operation: (acc: R, Int) -> R ): R Accumulates value starting with initial value and applying operation from left to right to current accumulator value and each element. | |
fun <R> IntArray.foldIndexed( initial: R, operation: (index: Int, acc: 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. | |
fun <R> IntArray.foldRight( initial: R, operation: (Int, acc: R) -> R ): R Accumulates value starting with initial value and applying operation from right to left to each element and current accumulator value. | |
fun <R> IntArray.foldRightIndexed( initial: R, operation: (index: Int, Int, acc: 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. | |
fun IntArray.forEach(action: (Int) -> Unit) Performs the given action on each element. | |
fun IntArray.forEachIndexed( action: (index: Int, Int) -> Unit) Performs the given action on each element, providing sequential index with the element. | |
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. | |
fun IntArray.getOrNull(index: Int): Int? Returns an element at the given index or | |
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. 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. | |
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. 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. | |
fun IntArray.indexOf(element: Int): Int Returns first index of element, or -1 if the array does not contain element. | |
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. | |
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. | |
infix fun IntArray.intersect(other: Iterable<Int>): Set<Int> Returns a set containing all elements that are contained by both this set and the specified collection. | |
fun IntArray.isEmpty(): Boolean Returns | |
fun IntArray.isNotEmpty(): Boolean Returns | |
fun <A> 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. | |
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. | |
fun IntArray.last(): Int Returns the last element. fun IntArray.last(predicate: (Int) -> Boolean): Int Returns the last element matching the given predicate. | |
fun IntArray.lastIndexOf(element: Int): Int Returns last index of element, or -1 if the array does not contain element. | |
fun IntArray.lastOrNull(): Int? Returns the last element, or fun IntArray.lastOrNull(predicate: (Int) -> Boolean): Int? Returns the last element matching the given predicate, or | |
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. | |
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. | |
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. | |
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. | |
fun IntArray.max(): Int? Returns the largest element or | |
fun <R : Comparable<R>> IntArray.maxBy( selector: (Int) -> R ): Int? Returns the first element yielding the largest value of the given function or | |
fun IntArray.maxWith(comparator: Comparator<in Int>): Int? fun IntArray.maxWith(comparator: Comparator<in Int>): Int? Returns the first element having the largest value according to the provided comparator or | |
fun IntArray.min(): Int? Returns the smallest element or | |
fun <R : Comparable<R>> IntArray.minBy( selector: (Int) -> R ): Int? Returns the first element yielding the smallest value of the given function or | |
fun IntArray.minWith(comparator: Comparator<in Int>): Int? fun IntArray.minWith(comparator: Comparator<in Int>): Int? Returns the first element having the smallest value according to the provided comparator or | |
fun IntArray.none(): Boolean Returns fun IntArray.none(predicate: (Int) -> Boolean): Boolean Returns | |
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 | |
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 Returns an array containing all elements of the original array and then all elements of the given elements array. | |
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. | |
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. | |
fun IntArray.reduceRight( operation: (Int, acc: Int) -> Int ): Int Accumulates value starting with last element and applying operation from right to left to each element and current accumulator value. | |
fun IntArray.reduceRightIndexed( operation: (index: Int, Int, acc: Int) -> Int ): Int Accumulates value starting with 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.reverse() Reverses elements in the array in-place. | |
fun IntArray.reversed(): List<Int> Returns a list with elements in reversed order. | |
fun IntArray.reversedArray(): IntArray Returns an array with elements of this array in reversed order. | |
fun IntArray.single(): Int Returns the single element, or throws an exception if the array is empty or has more than one element. 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. | |
fun IntArray.singleOrNull(): Int? Returns single element, or fun IntArray.singleOrNull(predicate: (Int) -> Boolean): Int? Returns the single element matching the given predicate, or | |
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. | |
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 a list containing elements at indices in the specified indices range. | |
fun IntArray.sort() Sorts the array in-place. fun IntArray.sort(fromIndex: Int = 0, toIndex: Int = size) Sorts a range in the array in-place. fun IntArray.sort(comparison: (a: Int, b: Int) -> Int) Sorts the array in-place according to the order specified by the given comparison function. | |
fun IntArray.sortDescending() Sorts elements in the array in-place descending according to their natural sort order. | |
fun IntArray.sorted(): List<Int> Returns a list of all elements sorted according to their natural sort order. | |
fun IntArray.sortedArray(): IntArray Returns an array with all elements of this array sorted according to their natural sort order. | |
fun IntArray.sortedArrayDescending(): IntArray Returns an array with all elements of this array sorted descending according to their natural sort order. | |
fun <R : Comparable<R>> IntArray.sortedBy( 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. | |
fun <R : Comparable<R>> IntArray.sortedByDescending( 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. | |
fun IntArray.sortedDescending(): List<Int> Returns a list of all elements sorted descending according to their natural sort order. | |
fun IntArray.sortedWith( comparator: Comparator<in Int> ): List<Int> fun IntArray.sortedWith( comparator: Comparator<in Int> ): List<Int> Returns a list of all elements sorted according to the specified comparator. | |
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. | |
fun IntArray.sum(): Int Returns the sum of all elements in the array. | |
fun IntArray.sumBy(selector: (Int) -> Int): Int Returns the sum of all values produced by selector function applied to each element in the array. | |
fun IntArray.sumByDouble(selector: (Int) -> Double): Double Returns the sum of all values produced by selector function applied to each element in the array. | |
fun IntArray.take(n: Int): List<Int> Returns a list containing first n elements. | |
fun IntArray.takeLast(n: Int): List<Int> Returns a list containing last n elements. | |
fun IntArray.takeLastWhile( predicate: (Int) -> Boolean ): List<Int> Returns a list containing last elements satisfying the given predicate. | |
fun IntArray.takeWhile( predicate: (Int) -> Boolean ): List<Int> Returns a list containing first elements satisfying the given predicate. | |
fun <C : MutableCollection<in Int>> IntArray.toCollection( destination: C ): C Appends all elements to the given destination collection. | |
fun IntArray.toHashSet(): HashSet<Int> Returns a HashSet of all elements. | |
fun IntArray.toList(): List<Int> Returns a List containing all elements. | |
fun IntArray.toMutableList(): MutableList<Int> Returns a MutableList filled with all elements of this array. | |
fun IntArray.toMutableSet(): MutableSet<Int> Returns a mutable set containing all distinct elements from the given array. | |
fun IntArray.toSet(): Set<Int> Returns a Set of all elements. | |
fun IntArray.toSortedSet(): SortedSet<Int> Returns a SortedSet of all elements. | |
fun IntArray.toTypedArray(): Array<Int> Returns a typed object array containing all of the elements of this primitive array. | |
infix fun IntArray.union(other: Iterable<Int>): Set<Int> Returns a set containing all distinct elements from both collections. | |
fun IntArray.withIndex(): Iterable<IndexedValue<Int>> Returns a lazy Iterable of IndexedValue for each element of the original array. | |
infix fun <R> any_array<R>.zip( other: Array<out R> ): List<Pair<Int, R>> Returns a list of pairs built from elements of both collections with same indexes. List has length of shortest collection. fun <R, V> any_array<R>.zip( other: Array<out R>, transform: (a: Int, b: R) -> V ): List<V> Returns a list of values built from elements of both collections with same indexes using provided transform. List has length of shortest collection. |
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