kotlin.LongArray
LongArray
class LongArray
An array of longs. When targeting the JVM, instances of this class are represented as long[]
.
Constructors
LongArray(size: Int, init: (Int) -> Long) 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. LongArray(size: Int) Creates a new array of the specified size, with all elements initialized to zero. |
Properties
val size: Int Returns the number of elements in the array. |
Functions
operator fun get(index: Int): Long Returns the array element at the given index. This method can be called using the index operator. | |
operator fun iterator(): LongIterator Creates an iterator over the elements of the array. | |
operator fun set(index: Int, value: Long) Sets the element at the given index to the given value. This method can be called using the index operator. |
Inherited Functions
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. |
Extension Properties
val LongArray.indices: IntRange Returns the range of valid indices for the array. | |
val LongArray.lastIndex: Int Returns the last valid index for the array. |
Extension Functions
fun LongArray.all(predicate: (Long) -> Boolean): Boolean Returns | |
fun LongArray.any(): Boolean Returns fun LongArray.any(predicate: (Long) -> Boolean): Boolean Returns | |
fun LongArray.asIterable(): Iterable<Long> Creates an Iterable instance that wraps the original array returning its elements when being iterated. | |
fun LongArray.asList(): List<Long> Returns a List that wraps the original array. | |
fun LongArray.asSequence(): Sequence<Long> Creates a Sequence instance that wraps the original array returning its elements when being iterated. | |
fun <K, V> LongArray.associate( transform: (Long) -> 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> LongArray.associateBy( keySelector: (Long) -> K ): Map<K, Long> 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> LongArray.associateBy( keySelector: (Long) -> K, valueTransform: (Long) -> 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 Long>> LongArray.associateByTo( destination: M, keySelector: (Long) -> 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>> LongArray.associateByTo( destination: M, keySelector: (Long) -> K, valueTransform: (Long) -> 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>> LongArray.associateTo( destination: M, transform: (Long) -> 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 LongArray.average(): Double Returns an average value of elements in the array. | |
fun LongArray.binarySearch( element: Long, 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 LongArray.component1(): Long Returns 1st element from the collection. | |
operator fun LongArray.component2(): Long Returns 2nd element from the collection. | |
operator fun LongArray.component3(): Long Returns 3rd element from the collection. | |
operator fun LongArray.component4(): Long Returns 4th element from the collection. | |
operator fun LongArray.component5(): Long Returns 5th element from the collection. | |
operator fun LongArray.contains(element: Long): Boolean Returns | |
infix fun LongArray.contentEquals(other: LongArray): Boolean Returns | |
fun LongArray.contentHashCode(): Int Returns a hash code based on the contents of this array as if it is List. | |
fun LongArray.contentToString(): String Returns a string representation of the contents of the specified array as if it is List. | |
fun LongArray.copyOf(): LongArray Returns new array which is a copy of the original array. fun LongArray.copyOf(newSize: Int): LongArray Returns new array which is a copy of the original array, resized to the given newSize. | |
fun LongArray.copyOfRange( fromIndex: Int, toIndex: Int ): LongArray Returns new array which is a copy of range of original array. | |
fun LongArray.count(): Int Returns the number of elements in this array. fun LongArray.count(predicate: (Long) -> Boolean): Int Returns the number of elements matching the given predicate. | |
fun LongArray.distinct(): List<Long> Returns a list containing only distinct elements from the given array. | |
fun <K> LongArray.distinctBy( selector: (Long) -> K ): List<Long> Returns a list containing only elements from the given array having distinct keys returned by the given selector function. | |
fun LongArray.drop(n: Int): List<Long> Returns a list containing all elements except first n elements. | |
fun LongArray.dropLast(n: Int): List<Long> Returns a list containing all elements except last n elements. | |
fun LongArray.dropLastWhile( predicate: (Long) -> Boolean ): List<Long> Returns a list containing all elements except last elements that satisfy the given predicate. | |
fun LongArray.dropWhile( predicate: (Long) -> Boolean ): List<Long> Returns a list containing all elements except first elements that satisfy the given predicate. | |
fun LongArray.elementAt(index: Int): Long Returns an element at the given index or throws an IndexOutOfBoundsException if the index is out of bounds of this array. | |
fun LongArray.elementAtOrElse( index: Int, defaultValue: (Int) -> Long ): Long 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 LongArray.elementAtOrNull(index: Int): Long? Returns an element at the given index or | |
fun LongArray.fill( element: Long, fromIndex: Int = 0, toIndex: Int = size) Fills original array with the provided value. | |
fun LongArray.filter( predicate: (Long) -> Boolean ): List<Long> Returns a list containing only elements matching the given predicate. | |
fun LongArray.filterIndexed( predicate: (index: Int, Long) -> Boolean ): List<Long> Returns a list containing only elements matching the given predicate. | |
fun <C : MutableCollection<in Long>> LongArray.filterIndexedTo( destination: C, predicate: (index: Int, Long) -> Boolean ): C Appends all elements matching the given predicate to the given destination. | |
fun LongArray.filterNot( predicate: (Long) -> Boolean ): List<Long> Returns a list containing all elements not matching the given predicate. | |
fun <C : MutableCollection<in Long>> LongArray.filterNotTo( destination: C, predicate: (Long) -> Boolean ): C Appends all elements not matching the given predicate to the given destination. | |
fun <C : MutableCollection<in Long>> LongArray.filterTo( destination: C, predicate: (Long) -> Boolean ): C Appends all elements matching the given predicate to the given destination. | |
fun LongArray.find(predicate: (Long) -> Boolean): Long? Returns the first element matching the given predicate, or | |
fun LongArray.findLast(predicate: (Long) -> Boolean): Long? Returns the last element matching the given predicate, or | |
fun LongArray.first(): Long Returns first element. fun LongArray.first(predicate: (Long) -> Boolean): Long Returns the first element matching the given predicate. | |
fun LongArray.firstOrNull(): Long? Returns the first element, or fun LongArray.firstOrNull( predicate: (Long) -> Boolean ): Long? Returns the first element matching the given predicate, or | |
fun <R> LongArray.flatMap( transform: (Long) -> 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>> LongArray.flatMapTo( destination: C, transform: (Long) -> 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> LongArray.fold( initial: R, operation: (acc: R, Long) -> R ): R Accumulates value starting with initial value and applying operation from left to right to current accumulator value and each element. | |
fun <R> LongArray.foldIndexed( initial: R, operation: (index: Int, acc: R, Long) -> 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> LongArray.foldRight( initial: R, operation: (Long, 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> LongArray.foldRightIndexed( initial: R, operation: (index: Int, Long, 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 LongArray.forEach(action: (Long) -> Unit) Performs the given action on each element. | |
fun LongArray.forEachIndexed( action: (index: Int, Long) -> Unit) Performs the given action on each element, providing sequential index with the element. | |
fun LongArray.getOrElse( index: Int, defaultValue: (Int) -> Long ): Long 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 LongArray.getOrNull(index: Int): Long? Returns an element at the given index or | |
fun <K> LongArray.groupBy( keySelector: (Long) -> K ): Map<K, List<Long>> 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> LongArray.groupBy( keySelector: (Long) -> K, valueTransform: (Long) -> 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<Long>>> LongArray.groupByTo( destination: M, keySelector: (Long) -> 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>>> LongArray.groupByTo( destination: M, keySelector: (Long) -> K, valueTransform: (Long) -> 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 LongArray.indexOf(element: Long): Int Returns first index of element, or -1 if the array does not contain element. | |
fun LongArray.indexOfFirst(predicate: (Long) -> Boolean): Int Returns index of the first element matching the given predicate, or -1 if the array does not contain such element. | |
fun LongArray.indexOfLast(predicate: (Long) -> Boolean): Int Returns index of the last element matching the given predicate, or -1 if the array does not contain such element. | |
infix fun LongArray.intersect( other: Iterable<Long> ): Set<Long> Returns a set containing all elements that are contained by both this set and the specified collection. | |
fun LongArray.isEmpty(): Boolean Returns | |
fun LongArray.isNotEmpty(): Boolean Returns | |
fun <A : Appendable> LongArray.joinTo( buffer: A, separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "", limit: Int = -1, truncated: CharSequence = "...", transform: (Long) -> CharSequence = null ): A Appends the string from all the elements separated using separator and using the given prefix and postfix if supplied. | |
fun LongArray.joinToString( separator: CharSequence = ", ", prefix: CharSequence = "", postfix: CharSequence = "", limit: Int = -1, truncated: CharSequence = "...", transform: (Long) -> CharSequence = null ): String Creates a string from all the elements separated using separator and using the given prefix and postfix if supplied. | |
fun LongArray.last(): Long Returns the last element. fun LongArray.last(predicate: (Long) -> Boolean): Long Returns the last element matching the given predicate. | |
fun LongArray.lastIndexOf(element: Long): Int Returns last index of element, or -1 if the array does not contain element. | |
fun LongArray.lastOrNull(): Long? Returns the last element, or fun LongArray.lastOrNull(predicate: (Long) -> Boolean): Long? Returns the last element matching the given predicate, or | |
fun <R> LongArray.map(transform: (Long) -> R): List<R> Returns a list containing the results of applying the given transform function to each element in the original array. | |
fun <R> LongArray.mapIndexed( transform: (index: Int, Long) -> 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>> LongArray.mapIndexedTo( destination: C, transform: (index: Int, Long) -> 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>> LongArray.mapTo( destination: C, transform: (Long) -> R ): C Applies the given transform function to each element of the original array and appends the results to the given destination. | |
fun LongArray.max(): Long? Returns the largest element or | |
fun <R : Comparable<R>> LongArray.maxBy( selector: (Long) -> R ): Long? Returns the first element yielding the largest value of the given function or | |
fun LongArray.maxWith(comparator: Comparator<in Long>): Long? fun LongArray.maxWith(comparator: Comparator<in Long>): Long? Returns the first element having the largest value according to the provided comparator or | |
fun LongArray.min(): Long? Returns the smallest element or | |
fun <R : Comparable<R>> LongArray.minBy( selector: (Long) -> R ): Long? Returns the first element yielding the smallest value of the given function or | |
fun LongArray.minWith(comparator: Comparator<in Long>): Long? fun LongArray.minWith(comparator: Comparator<in Long>): Long? Returns the first element having the smallest value according to the provided comparator or | |
fun LongArray.none(): Boolean Returns fun LongArray.none(predicate: (Long) -> Boolean): Boolean Returns | |
fun LongArray.partition( predicate: (Long) -> Boolean ): Pair<List<Long>, List<Long>> Splits the original array into pair of lists, where first list contains elements for which predicate yielded | |
operator fun LongArray.plus(element: Long): LongArray Returns an array containing all elements of the original array and then the given element. operator fun LongArray.plus( elements: Collection<Long> ): LongArray Returns an array containing all elements of the original array and then all elements of the given elements collection. operator fun LongArray.plus(elements: LongArray): LongArray Returns an array containing all elements of the original array and then all elements of the given elements array. | |
fun LongArray.reduce( operation: (acc: Long, Long) -> Long ): Long Accumulates value starting with the first element and applying operation from left to right to current accumulator value and each element. | |
fun LongArray.reduceIndexed( operation: (index: Int, acc: Long, Long) -> Long ): Long 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 LongArray.reduceRight( operation: (Long, acc: Long) -> Long ): Long Accumulates value starting with last element and applying operation from right to left to each element and current accumulator value. | |
fun LongArray.reduceRightIndexed( operation: (index: Int, Long, acc: Long) -> Long ): Long 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 LongArray.reverse() Reverses elements in the array in-place. | |
fun LongArray.reversed(): List<Long> Returns a list with elements in reversed order. | |
fun LongArray.reversedArray(): LongArray Returns an array with elements of this array in reversed order. | |
fun LongArray.single(): Long Returns the single element, or throws an exception if the array is empty or has more than one element. fun LongArray.single(predicate: (Long) -> Boolean): Long Returns the single element matching the given predicate, or throws exception if there is no or more than one matching element. | |
fun LongArray.singleOrNull(): Long? Returns single element, or fun LongArray.singleOrNull( predicate: (Long) -> Boolean ): Long? Returns the single element matching the given predicate, or | |
fun LongArray.slice(indices: IntRange): List<Long> Returns a list containing elements at indices in the specified indices range. fun LongArray.slice(indices: Iterable<Int>): List<Long> Returns a list containing elements at specified indices. | |
fun LongArray.sliceArray(indices: Collection<Int>): LongArray Returns an array containing elements of this array at specified indices. fun LongArray.sliceArray(indices: IntRange): LongArray Returns a list containing elements at indices in the specified indices range. | |
fun LongArray.sort() Sorts the array in-place. fun LongArray.sort(fromIndex: Int = 0, toIndex: Int = size) Sorts a range in the array in-place. fun LongArray.sort(comparison: (a: Long, b: Long) -> Int) Sorts the array in-place according to the order specified by the given comparison function. | |
fun LongArray.sortDescending() Sorts elements in the array in-place descending according to their natural sort order. | |
fun LongArray.sorted(): List<Long> Returns a list of all elements sorted according to their natural sort order. | |
fun LongArray.sortedArray(): LongArray Returns an array with all elements of this array sorted according to their natural sort order. | |
fun LongArray.sortedArrayDescending(): LongArray Returns an array with all elements of this array sorted descending according to their natural sort order. | |
fun <R : Comparable<R>> LongArray.sortedBy( selector: (Long) -> R? ): List<Long> Returns a list of all elements sorted according to natural sort order of the value returned by specified selector function. | |
fun <R : Comparable<R>> LongArray.sortedByDescending( selector: (Long) -> R? ): List<Long> Returns a list of all elements sorted descending according to natural sort order of the value returned by specified selector function. | |
fun LongArray.sortedDescending(): List<Long> Returns a list of all elements sorted descending according to their natural sort order. | |
fun LongArray.sortedWith( comparator: Comparator<in Long> ): List<Long> fun LongArray.sortedWith( comparator: Comparator<in Long> ): List<Long> Returns a list of all elements sorted according to the specified comparator. | |
infix fun LongArray.subtract( other: Iterable<Long> ): Set<Long> Returns a set containing all elements that are contained by this array and not contained by the specified collection. | |
fun LongArray.sum(): Long Returns the sum of all elements in the array. | |
fun LongArray.sumBy(selector: (Long) -> Int): Int Returns the sum of all values produced by selector function applied to each element in the array. | |
fun LongArray.sumByDouble(selector: (Long) -> Double): Double Returns the sum of all values produced by selector function applied to each element in the array. | |
fun LongArray.take(n: Int): List<Long> Returns a list containing first n elements. | |
fun LongArray.takeLast(n: Int): List<Long> Returns a list containing last n elements. | |
fun LongArray.takeLastWhile( predicate: (Long) -> Boolean ): List<Long> Returns a list containing last elements satisfying the given predicate. | |
fun LongArray.takeWhile( predicate: (Long) -> Boolean ): List<Long> Returns a list containing first elements satisfying the given predicate. | |
fun <C : MutableCollection<in Long>> LongArray.toCollection( destination: C ): C Appends all elements to the given destination collection. | |
fun LongArray.toHashSet(): HashSet<Long> Returns a HashSet of all elements. | |
fun LongArray.toList(): List<Long> Returns a List containing all elements. | |
fun LongArray.toMutableList(): MutableList<Long> Returns a MutableList filled with all elements of this array. | |
fun LongArray.toMutableSet(): MutableSet<Long> Returns a mutable set containing all distinct elements from the given array. | |
fun LongArray.toSet(): Set<Long> Returns a Set of all elements. | |
fun LongArray.toSortedSet(): SortedSet<Long> Returns a SortedSet of all elements. | |
fun LongArray.toTypedArray(): Array<Long> Returns a typed object array containing all of the elements of this primitive array. | |
infix fun LongArray.union(other: Iterable<Long>): Set<Long> Returns a set containing all distinct elements from both collections. | |
fun LongArray.withIndex(): Iterable<IndexedValue<Long>> 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<Long, 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: Long, 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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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-long-array/