MutableList
Functions
add
Adds the specified element to the end of this list.
abstract fun add(element: E): Boolean
Inserts an element into the list at the specified index.
abstract fun add(index: Int, element: E)
addAll
Adds all of the elements of the specified collection to the end of this list.
abstract fun addAll(elements: Collection<E>): Boolean
Inserts all of the elements of the specified collection elements into this list at the specified index.
abstract fun addAll(
index: Int,
elements: Collection<E>
): Boolean
asJsArrayView
Returns a view with the JsArray methods to consume it in JavaScript as a regular array. Structural changes in the base list are synchronized with the view, and vice verse.
open fun asJsArrayView(): <ERROR CLASS><E>
clear
Removes all elements from this collection.
abstract fun clear()
listIterator
Returns a list iterator over the elements in this list (in proper sequence).
abstract fun listIterator(): MutableListIterator<E>
Returns a list iterator over the elements in this list (in proper sequence), starting at the specified index.
abstract fun listIterator(index: Int): MutableListIterator<E>
remove
Removes a single instance of the specified element from this collection, if it is present.
abstract fun remove(element: E): Boolean
removeAll
Removes all of this collection's elements that are also contained in the specified collection.
abstract fun removeAll(elements: Collection<E>): Boolean
removeAt
Removes an element at the specified index from the list.
abstract fun removeAt(index: Int): E
retainAll
Retains only the elements in this collection that are contained in the specified collection.
abstract fun retainAll(elements: Collection<E>): Boolean
set
Replaces the element at the specified position in this list with the specified element.
abstract operator fun set(index: Int, element: E): E
subList
Returns a view of the portion of this list between the specified fromIndex (inclusive) and toIndex (exclusive). The returned list is backed by this list, so non-structural changes in the returned list are reflected in this list, and vice-versa.
abstract fun subList(
fromIndex: Int,
toIndex: Int
): MutableList<E>
Inherited Functions
asJsReadonlyArrayView
Returns a view with the JsReadonlyArray methods to consume it in JavaScript as a regular readonly array. Structural changes in the base list are synchronized with the view.
open fun asJsReadonlyArrayView(): <ERROR CLASS><E>
Extension Properties
indices
Returns an IntRange of the valid indices for this collection.
val Collection<*>.indices: IntRange
Extension Functions
addAll
Adds all elements of the given elements collection to this MutableCollection.
fun <T> MutableCollection<in T>.addAll(
elements: Iterable<T>
): Boolean
Adds all elements of the given elements sequence to this MutableCollection.
fun <T> MutableCollection<in T>.addAll(
elements: Sequence<T>
): Boolean
Adds all elements of the given elements array to this MutableCollection.
fun <T> MutableCollection<in T>.addAll(
elements: Array<out T>
): Boolean
asReversed
Returns a reversed mutable view of the original mutable List. All changes made in the original list will be reflected in the reversed one and vice versa.
fun <T> MutableList<T>.asReversed(): MutableList<T>
associateBy
Returns a Map containing the elements from the given collection indexed by the key returned from keySelector function applied to each element.
Returns a Map containing the values provided by valueTransform and indexed by keySelector functions applied to elements of the given collection.
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 collection and value is the element itself.
fun <T, K, M : MutableMap<in K, in T>> Iterable<T>.associateByTo(
destination: M,
keySelector: (T) -> 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 collection.
fun <T, K, V, M : MutableMap<in K, in V>> Iterable<T>.associateByTo(
destination: M,
keySelector: (T) -> K,
valueTransform: (T) -> V
): M
associateTo
Populates and returns the destination mutable map with key-value pairs provided by transform function applied to each element of the given collection.
fun <T, K, V, M : MutableMap<in K, in V>> Iterable<T>.associateTo(
destination: M,
transform: (T) -> Pair<K, V>
): M
associateWith
Returns a Map where keys are elements from the given collection and values are produced by the valueSelector function applied to each element.
associateWithTo
Populates and returns the destination mutable map with key-value pairs for each element of the given collection, where key is the element itself and value is provided by the valueSelector function applied to that key.
fun <K, V, M : MutableMap<in K, in V>> Iterable<K>.associateWithTo(
destination: M,
valueSelector: (K) -> V
): M
binarySearch
Searches this list or its range for the provided element using the binary search algorithm. The list is expected to be sorted into ascending order according to the specified comparator, otherwise the result is undefined.
fun <T> List<T>.binarySearch(
element: T,
comparator: Comparator<in T>,
fromIndex: Int = 0,
toIndex: Int = size
): Int
Searches this list or its range for an element for which the given comparison function returns zero using the binary search algorithm.
fun <T> List<T>.binarySearch(
fromIndex: Int = 0,
toIndex: Int = size,
comparison: (T) -> Int
): Int
binarySearchBy
Searches this list or its range for an element having the key returned by the specified selector function equal to the provided key value using the binary search algorithm. The list is expected to be sorted into ascending order according to the Comparable natural ordering of keys of its elements. otherwise the result is undefined.
fun <T, K : Comparable<K>> List<T>.binarySearchBy(
key: K?,
fromIndex: Int = 0,
toIndex: Int = size,
selector: (T) -> K?
): Int
component1
Returns 1st element from the list.
operator fun <T> List<T>.component1(): T
component2
Returns 2nd element from the list.
operator fun <T> List<T>.component2(): T
component3
Returns 3rd element from the list.
operator fun <T> List<T>.component3(): T
component4
Returns 4th element from the list.
operator fun <T> List<T>.component4(): T
component5
Returns 5th element from the list.
operator fun <T> List<T>.component5(): T
containsAll
Checks if all elements in the specified collection are contained in this collection.
fun <T> Collection<T>.containsAll(
elements: Collection<T>
): Boolean
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 collection.
fun <T> Iterable<T>.elementAtOrElse(
index: Int,
defaultValue: (Int) -> T
): T
Returns an element at the given index or the result of calling the defaultValue function if the index is out of bounds of this list.
fun <T> List<T>.elementAtOrElse(
index: Int,
defaultValue: (Int) -> T
): T
filterIndexedTo
Appends all elements matching the given predicate to the given destination.
fun <T, C : MutableCollection<in T>> Iterable<T>.filterIndexedTo(
destination: C,
predicate: (index: Int, T) -> Boolean
): C
filterIsInstance
Returns a list containing all elements that are instances of specified type parameter R.
filterIsInstanceTo
Appends all elements that are instances of specified type parameter R to the given destination.
fun <R, C : MutableCollection<in R>> Iterable<*>.filterIsInstanceTo(
destination: C
): C
Appends all elements that are instances of specified class to the given destination.
fun <C : MutableCollection<in R>, R> Iterable<*>.filterIsInstanceTo(
destination: C,
klass: Class<R>
): C
filterNotNullTo
Appends all elements that are not null
to the given destination.
fun <C : MutableCollection<in T>, T : Any> Iterable<T?>.filterNotNullTo(
destination: C
): C
filterNotTo
Appends all elements not matching the given predicate to the given destination.
fun <T, C : MutableCollection<in T>> Iterable<T>.filterNotTo(
destination: C,
predicate: (T) -> Boolean
): C
filterTo
Appends all elements matching the given predicate to the given destination.
fun <T, C : MutableCollection<in T>> Iterable<T>.filterTo(
destination: C,
predicate: (T) -> Boolean
): C
firstNotNullOf
Returns the first non-null value produced by transform function being applied to elements of this collection in iteration order, or throws NoSuchElementException if no non-null value was produced.
fun <T, R : Any> Iterable<T>.firstNotNullOf(
transform: (T) -> R?
): R
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 collection.
flatMapIndexedTo
Appends all elements yielded from results of transform function being invoked on each element and its index in the original collection, to the given destination.
fun <T, R, C : MutableCollection<in R>> Iterable<T>.flatMapIndexedTo(
destination: C,
transform: (index: Int, T) -> Iterable<R>
): C
fun <T, R, C : MutableCollection<in R>> Iterable<T>.flatMapIndexedTo(
destination: C,
transform: (index: Int, T) -> Sequence<R>
): C
flatMapTo
Appends all elements yielded from results of transform function being invoked on each element of original collection, to the given destination.
fun <T, R, C : MutableCollection<in R>> Iterable<T>.flatMapTo(
destination: C,
transform: (T) -> Iterable<R>
): C
fun <T, R, C : MutableCollection<in R>> Iterable<T>.flatMapTo(
destination: C,
transform: (T) -> Sequence<R>
): C
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 list.
fun <T> List<T>.getOrElse(
index: Int,
defaultValue: (Int) -> T
): T
groupBy
Groups elements of the original collection 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.
Groups values returned by the valueTransform function applied to each element of the original collection 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
Groups elements of the original collection 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 <T, K, M : MutableMap<in K, MutableList<T>>> Iterable<T>.groupByTo(
destination: M,
keySelector: (T) -> K
): M
Groups values returned by the valueTransform function applied to each element of the original collection 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 <T, K, V, M : MutableMap<in K, MutableList<V>>> Iterable<T>.groupByTo(
destination: M,
keySelector: (T) -> K,
valueTransform: (T) -> V
): M
groupingBy
Creates a Grouping source from a collection to be used later with one of group-and-fold operations using the specified keySelector function to extract a key from each element.
ifEmpty
Returns this array if it's not empty or the result of calling defaultValue function if the array is empty.
fun <C, R> C.ifEmpty(
defaultValue: () -> R
): R where C : Array<*>, C : R
indexOf
indexOfFirst
indexOfLast
isNotEmpty
Returns true
if the collection is not empty.
fun <T> Collection<T>.isNotEmpty(): Boolean
isNullOrEmpty
Returns true
if this nullable collection is either null or empty.
fun <T> Collection<T>?.isNullOrEmpty(): Boolean
joinTo
Appends the string from all the elements separated using separator and using the given prefix and postfix if supplied.
fun <T, A : Appendable> Iterable<T>.joinTo(
buffer: A,
separator: CharSequence = ", ",
prefix: CharSequence = "",
postfix: CharSequence = "",
limit: Int = -1,
truncated: CharSequence = "...",
transform: ((T) -> CharSequence)? = null
): A
joinToString
Creates a string from all the elements separated using separator and using the given prefix and postfix if supplied.
fun <T> Iterable<T>.joinToString(
separator: CharSequence = ", ",
prefix: CharSequence = "",
postfix: CharSequence = "",
limit: Int = -1,
truncated: CharSequence = "...",
transform: ((T) -> CharSequence)? = null
): String
lastIndexOf
mapIndexedNotNullTo
Applies the given transform function to each element and its index in the original collection and appends only the non-null results to the given destination.
fun <T, R : Any, C : MutableCollection<in R>> Iterable<T>.mapIndexedNotNullTo(
destination: C,
transform: (index: Int, T) -> R?
): C
mapIndexedTo
Applies the given transform function to each element and its index in the original collection and appends the results to the given destination.
fun <T, R, C : MutableCollection<in R>> Iterable<T>.mapIndexedTo(
destination: C,
transform: (index: Int, T) -> R
): C
mapNotNullTo
Applies the given transform function to each element in the original collection and appends only the non-null results to the given destination.
fun <T, R : Any, C : MutableCollection<in R>> Iterable<T>.mapNotNullTo(
destination: C,
transform: (T) -> R?
): C
mapTo
Applies the given transform function to each element of the original collection and appends the results to the given destination.
fun <T, R, C : MutableCollection<in R>> Iterable<T>.mapTo(
destination: C,
transform: (T) -> R
): C
maxByOrNull
Returns the first element yielding the largest value of the given function or null
if there are no elements.
fun <T, R : Comparable<R>> Iterable<T>.maxByOrNull(
selector: (T) -> R
): T?
maxOf
Returns the largest value among all values produced by selector function applied to each element in the collection.
fun <T> Iterable<T>.maxOf(selector: (T) -> Double): Double
fun <T> Iterable<T>.maxOf(selector: (T) -> Float): Float
fun <T, R : Comparable<R>> Iterable<T>.maxOf(
selector: (T) -> R
): R
maxOfOrNull
Returns the largest value among all values produced by selector function
applied to each element in the collection or null
if there are no elements.
fun <T> Iterable<T>.maxOfOrNull(
selector: (T) -> Double
): Double?
fun <T> Iterable<T>.maxOfOrNull(
selector: (T) -> Float
): Float?
fun <T, R : Comparable<R>> Iterable<T>.maxOfOrNull(
selector: (T) -> R
): R?
maxOfWith
Returns the largest value according to the provided comparator among all values produced by selector function applied to each element in the collection.
fun <T, R> Iterable<T>.maxOfWith(
comparator: Comparator<in R>,
selector: (T) -> R
): R
maxOfWithOrNull
Returns the largest value according to the provided comparator
among all values produced by selector function applied to each element in the collection or null
if there are no elements.
fun <T, R> Iterable<T>.maxOfWithOrNull(
comparator: Comparator<in R>,
selector: (T) -> R
): R?
maxWith
Returns the first element having the largest value according to the provided comparator.
fun <T> Iterable<T>.maxWith(comparator: Comparator<in T>): T
fun <T> Iterable<T>.maxWith(comparator: Comparator<in T>): T?
maxWithOrNull
Returns the first element having the largest value according to the provided comparator or null
if there are no elements.
fun <T> Iterable<T>.maxWithOrNull(
comparator: Comparator<in T>
): T?
minByOrNull
Returns the first element yielding the smallest value of the given function or null
if there are no elements.
fun <T, R : Comparable<R>> Iterable<T>.minByOrNull(
selector: (T) -> R
): T?
minOf
Returns the smallest value among all values produced by selector function applied to each element in the collection.
fun <T> Iterable<T>.minOf(selector: (T) -> Double): Double
fun <T> Iterable<T>.minOf(selector: (T) -> Float): Float
fun <T, R : Comparable<R>> Iterable<T>.minOf(
selector: (T) -> R
): R
minOfOrNull
Returns the smallest value among all values produced by selector function
applied to each element in the collection or null
if there are no elements.
fun <T> Iterable<T>.minOfOrNull(
selector: (T) -> Double
): Double?
fun <T> Iterable<T>.minOfOrNull(
selector: (T) -> Float
): Float?
fun <T, R : Comparable<R>> Iterable<T>.minOfOrNull(
selector: (T) -> R
): R?
minOfWith
Returns the smallest value according to the provided comparator among all values produced by selector function applied to each element in the collection.
fun <T, R> Iterable<T>.minOfWith(
comparator: Comparator<in R>,
selector: (T) -> R
): R
minOfWithOrNull
Returns the smallest value according to the provided comparator
among all values produced by selector function applied to each element in the collection or null
if there are no elements.
fun <T, R> Iterable<T>.minOfWithOrNull(
comparator: Comparator<in R>,
selector: (T) -> R
): R?
minus
Returns a list containing all elements of the original collection without the first occurrence of the given element.
Returns a list containing all elements of the original collection except the elements contained in the given elements array.
Returns a list containing all elements of the original collection except the elements contained in the given elements collection.
minusAssign
Removes a single instance of the specified element from this mutable collection.
operator fun <T> MutableCollection<in T>.minusAssign(
element: T)
Removes all elements contained in the given elements collection from this mutable collection.
operator fun <T> MutableCollection<in T>.minusAssign(
elements: Iterable<T>)
Removes all elements contained in the given elements array from this mutable collection.
operator fun <T> MutableCollection<in T>.minusAssign(
elements: Array<T>)
Removes all elements contained in the given elements sequence from this mutable collection.
operator fun <T> MutableCollection<in T>.minusAssign(
elements: Sequence<T>)
minWith
Returns the first element having the smallest value according to the provided comparator.
fun <T> Iterable<T>.minWith(comparator: Comparator<in T>): T
fun <T> Iterable<T>.minWith(comparator: Comparator<in T>): T?
minWithOrNull
Returns the first element having the smallest value according to the provided comparator or null
if there are no elements.
fun <T> Iterable<T>.minWithOrNull(
comparator: Comparator<in T>
): T?
plus
Returns a list containing all elements of the original collection and then the given element.
operator fun <T> Collection<T>.plus(element: T): List<T>
Returns a list containing all elements of the original collection and then all elements of the given elements array.
operator fun <T> Collection<T>.plus(
elements: Array<out T>
): List<T>
Returns a list containing all elements of the original collection and then all elements of the given elements collection.
operator fun <T> Collection<T>.plus(
elements: Iterable<T>
): List<T>
plusAssign
Adds the specified element to this mutable collection.
operator fun <T> MutableCollection<in T>.plusAssign(
element: T)
Adds all elements of the given elements collection to this mutable collection.
operator fun <T> MutableCollection<in T>.plusAssign(
elements: Iterable<T>)
Adds all elements of the given elements array to this mutable collection.
operator fun <T> MutableCollection<in T>.plusAssign(
elements: Array<T>)
Adds all elements of the given elements sequence to this mutable collection.
operator fun <T> MutableCollection<in T>.plusAssign(
elements: Sequence<T>)
plusElement
Returns a list containing all elements of the original collection and then the given element.
fun <T> Collection<T>.plusElement(element: T): List<T>
random
Returns a random element from this collection.
fun <T> Collection<T>.random(): T
Returns a random element from this collection using the specified source of randomness.
fun <T> Collection<T>.random(random: Random): T
randomOrNull
Returns a random element from this collection, or null
if this collection is empty.
fun <T> Collection<T>.randomOrNull(): T?
Returns a random element from this collection using the specified source of randomness, or null
if this collection is empty.
fun <T> Collection<T>.randomOrNull(random: Random): T?
remove
Removes the element at the specified index from this list. In Kotlin one should use the MutableList.removeAt function instead.
fun <T> MutableList<T>.remove(index: Int): T
Removes a single instance of the specified element from this collection, if it is present.
fun <T> MutableCollection<out T>.remove(element: T): Boolean
removeAll
Removes all elements from this MutableList that match the given predicate.
fun <T> MutableList<T>.removeAll(
predicate: (T) -> Boolean
): Boolean
Removes all of this collection's elements that are also contained in the specified collection.
fun <T> MutableCollection<out T>.removeAll(
elements: Collection<T>
): Boolean
Removes all elements from this MutableCollection that are also contained in the given elements collection.
fun <T> MutableCollection<in T>.removeAll(
elements: Iterable<T>
): Boolean
Removes all elements from this MutableCollection that are also contained in the given elements sequence.
fun <T> MutableCollection<in T>.removeAll(
elements: Sequence<T>
): Boolean
Removes all elements from this MutableCollection that are also contained in the given elements array.
fun <T> MutableCollection<in T>.removeAll(
elements: Array<out T>
): Boolean
Removes all elements from this MutableIterable that match the given predicate.
fun <T> MutableIterable<T>.removeAll(
predicate: (T) -> Boolean
): Boolean
removeFirst
Removes the first element from this mutable list and returns that removed element, or throws NoSuchElementException if this list is empty.
fun <T> MutableList<T>.removeFirst(): T
removeFirstOrNull
Removes the first element from this mutable list and returns that removed element, or returns null
if this list is empty.
fun <T> MutableList<T>.removeFirstOrNull(): T?
removeLast
Removes the last element from this mutable list and returns that removed element, or throws NoSuchElementException if this list is empty.
fun <T> MutableList<T>.removeLast(): T
removeLastOrNull
Removes the last element from this mutable list and returns that removed element, or returns null
if this list is empty.
fun <T> MutableList<T>.removeLastOrNull(): T?
replaceAll
Replaces each element in the list with a result of a transformation specified.
fun <T> MutableList<T>.replaceAll(transformation: (T) -> T)
retainAll
Retains only elements of this MutableList that match the given predicate.
fun <T> MutableList<T>.retainAll(
predicate: (T) -> Boolean
): Boolean
Retains only the elements in this collection that are contained in the specified collection.
fun <T> MutableCollection<out T>.retainAll(
elements: Collection<T>
): Boolean
Retains only elements of this MutableCollection that are contained in the given elements collection.
fun <T> MutableCollection<in T>.retainAll(
elements: Iterable<T>
): Boolean
Retains only elements of this MutableCollection that are contained in the given elements array.
fun <T> MutableCollection<in T>.retainAll(
elements: Array<out T>
): Boolean
Retains only elements of this MutableCollection that are contained in the given elements sequence.
fun <T> MutableCollection<in T>.retainAll(
elements: Sequence<T>
): Boolean
Retains only elements of this MutableIterable that match the given predicate.
fun <T> MutableIterable<T>.retainAll(
predicate: (T) -> Boolean
): Boolean
runningFoldIndexed
runningReduceIndexed
Returns a list containing successive accumulation values generated by applying operation from left to right to each element, its index in the original collection and current accumulator value that starts with the first element of this collection.
scanIndexed
shuffle
Randomly shuffles elements in this list in-place using the specified random instance as the source of randomness.
fun <T> MutableList<T>.shuffle(random: Random)
Randomly shuffles elements in this mutable list using the specified random instance as the source of randomness.
fun <T> MutableList<T>.shuffle(random: Random)
sort
fun <T> MutableList<T>.sort(comparator: Comparator<in T>)
fun <T> MutableList<T>.sort(comparison: (T, T) -> Int)
sortBy
Sorts elements in the list in-place according to natural sort order of the value returned by specified selector function.
fun <T, R : Comparable<R>> MutableList<T>.sortBy(
selector: (T) -> R?)
sortByDescending
Sorts elements in the list in-place descending according to natural sort order of the value returned by specified selector function.
fun <T, R : Comparable<R>> MutableList<T>.sortByDescending(
selector: (T) -> R?)
sortDescending
Sorts elements in the list in-place descending according to their natural sort order.
fun <T : Comparable<T>> MutableList<T>.sortDescending()
sortedBy
Returns a list of all elements sorted according to natural sort order of the value returned by specified selector function.
fun <T, R : Comparable<R>> Iterable<T>.sortedBy(
selector: (T) -> R?
): List<T>
sortedByDescending
Returns a list of all elements sorted descending according to natural sort order of the value returned by specified selector function.
fun <T, R : Comparable<R>> Iterable<T>.sortedByDescending(
selector: (T) -> R?
): List<T>
sortedWith
Returns a list of all elements sorted according to the specified comparator.
fun <T> Iterable<T>.sortedWith(
comparator: Comparator<in T>
): List<T>
sortWith
Sorts elements in the list in-place according to the order specified with comparator.
fun <T> MutableList<T>.sortWith(comparator: Comparator<in T>)
sumOf
Returns the sum of all values produced by selector function applied to each element in the collection.
fun <T> Iterable<T>.sumOf(selector: (T) -> Double): Double
fun <T> Iterable<T>.sumOf(selector: (T) -> Int): Int
fun <T> Iterable<T>.sumOf(selector: (T) -> Long): Long
fun <T> Iterable<T>.sumOf(
selector: (T) -> BigDecimal
): BigDecimal
fun <T> Iterable<T>.sumOf(
selector: (T) -> BigInteger
): BigInteger
toBooleanArray
Returns an array of Boolean containing all of the elements of this collection.
fun Collection<Boolean>.toBooleanArray(): BooleanArray
toByteArray
Returns an array of Byte containing all of the elements of this collection.
fun Collection<Byte>.toByteArray(): ByteArray
toCharArray
Returns an array of Char containing all of the elements of this collection.
fun Collection<Char>.toCharArray(): CharArray
toCollection
Appends all elements to the given destination collection.
fun <T, C : MutableCollection<in T>> Iterable<T>.toCollection(
destination: C
): C
toCStringArray
Convert this list of Kotlin strings to C array of C strings, allocating memory for the array and C strings with given AutofreeScope.
fun List<String>.toCStringArray(
autofreeScope: AutofreeScope
): CPointer<CPointerVar<ByteVar>>
toDoubleArray
Returns an array of Double containing all of the elements of this collection.
fun Collection<Double>.toDoubleArray(): DoubleArray
toFloatArray
Returns an array of Float containing all of the elements of this collection.
fun Collection<Float>.toFloatArray(): FloatArray
toIntArray
Returns an array of Int containing all of the elements of this collection.
fun Collection<Int>.toIntArray(): IntArray
toLongArray
Returns an array of Long containing all of the elements of this collection.
fun Collection<Long>.toLongArray(): LongArray
toMap
Returns a new map containing all key-value pairs from the given collection of pairs.
Populates and returns the destination mutable map with key-value pairs from the given collection of pairs.
fun <K, V, M : MutableMap<in K, in V>> Iterable<Pair<K, V>>.toMap(
destination: M
): M
toMutableSet
Returns a new MutableSet containing all distinct elements from the given collection.
fun <T> Iterable<T>.toMutableSet(): MutableSet<T>
toShortArray
Returns an array of Short containing all of the elements of this collection.
fun Collection<Short>.toShortArray(): ShortArray
toSortedSet
Returns a new SortedSet of all elements.
fun <T> Iterable<T>.toSortedSet(
comparator: Comparator<in T>
): SortedSet<T>
toUByteArray
Returns an array of UByte containing all of the elements of this collection.
fun Collection<UByte>.toUByteArray(): UByteArray
toUIntArray
Returns an array of UInt containing all of the elements of this collection.
fun Collection<UInt>.toUIntArray(): UIntArray
toULongArray
Returns an array of ULong containing all of the elements of this collection.
fun Collection<ULong>.toULongArray(): ULongArray
toUShortArray
Returns an array of UShort containing all of the elements of this collection.
fun Collection<UShort>.toUShortArray(): UShortArray
waitForMultipleFutures
fun <T> Collection<Future<T>>.waitForMultipleFutures(
millis: Int
): Set<Future<T>>
windowed
Returns a list of snapshots of the window of the given size sliding along this collection with the given step, where each snapshot is a list.
withIndex
Returns a lazy Iterable that wraps each element of the original collection into an IndexedValue containing the index of that element and the element itself.
fun <T> Iterable<T>.withIndex(): Iterable<IndexedValue<T>>
zip
Returns a list of pairs built from the elements of this
collection and the other array with the same index.
The returned list has length of the shortest collection.
Returns a list of values built from the elements of this
collection 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.
Returns a list of pairs built from the elements of this
collection and other collection with the same index.
The returned list has length of the shortest collection.
zipWithNext
Returns a list of pairs of each two adjacent elements in this collection.
Inheritors
AbstractMutableList
Provides a skeletal implementation of the MutableList interface.
abstract class AbstractMutableList<E> : MutableList<E>
abstract class AbstractMutableList<E> :
MutableList<E>,
AbstractList<E>
abstract class AbstractMutableList<E> :
AbstractMutableCollection<E>,
MutableList<E>
ArrayList
Provides a MutableList implementation, which uses a resizable array as its backing storage.
class ArrayList<E> : MutableList<E>, RandomAccess
typealias ArrayList<E> = ArrayList<E>
open class ArrayList<E> :
AbstractMutableList<E>,
MutableList<E>,
RandomAccess
class ArrayList<E> :
MutableList<E>,
RandomAccess,
AbstractMutableList<E>