W3cubDocs

/Kotlin

onEachIndexed

Platform and version requirements: JVM (1.4), JS (1.4), Native (1.4)
inline fun <T> Array<out T>.onEachIndexed(
    action: (index: Int, T) -> Unit
): Array<out T>
inline fun ByteArray.onEachIndexed(
    action: (index: Int, Byte) -> Unit
): ByteArray
inline fun ShortArray.onEachIndexed(
    action: (index: Int, Short) -> Unit
): ShortArray
inline fun IntArray.onEachIndexed(
    action: (index: Int, Int) -> Unit
): IntArray
inline fun LongArray.onEachIndexed(
    action: (index: Int, Long) -> Unit
): LongArray
inline fun FloatArray.onEachIndexed(
    action: (index: Int, Float) -> Unit
): FloatArray
inline fun DoubleArray.onEachIndexed(
    action: (index: Int, Double) -> Unit
): DoubleArray
inline fun BooleanArray.onEachIndexed(
    action: (index: Int, Boolean) -> Unit
): BooleanArray
inline fun CharArray.onEachIndexed(
    action: (index: Int, Char) -> Unit
): CharArray
@ExperimentalUnsignedTypes inline fun UIntArray.onEachIndexed(
    action: (index: Int, UInt) -> Unit
): UIntArray
@ExperimentalUnsignedTypes inline fun ULongArray.onEachIndexed(
    action: (index: Int, ULong) -> Unit
): ULongArray
@ExperimentalUnsignedTypes inline fun UByteArray.onEachIndexed(
    action: (index: Int, UByte) -> Unit
): UByteArray
@ExperimentalUnsignedTypes inline fun UShortArray.onEachIndexed(
    action: (index: Int, UShort) -> Unit
): UShortArray

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

Parameters

action - function that takes the index of an element and the element itself and performs the action on the element.

Platform and version requirements: JVM (1.4), JS (1.4), Native (1.4)
inline fun <T, C : Iterable<T>> C.onEachIndexed(
    action: (index: Int, T) -> Unit
): C

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

Parameters

action - function that takes the index of an element and the element itself and performs the action on the element.

Platform and version requirements: JVM (1.4), JS (1.4), Native (1.4)
inline fun <K, V, M : Map<out K, V>> M.onEachIndexed(
    action: (index: Int, Entry<K, V>) -> Unit
): M

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

Parameters

action - function that takes the index of an entry and the entry itself and performs the action on the entry.

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/on-each-indexed.html