onEachIndexed

inline fun <T> Array<out T>.onEachIndexed(action: (index: Int, T) -> Unit): Array<out T>

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

1.4

Parameters

action

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

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.

1.4

action

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

inline fun <K, V, M : Map<out K, V>> M.onEachIndexed(action: (index: Int, Map.Entry<K, V>) -> Unit): M

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

1.4

action

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