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forEachIndexed

inline fun <T> Sequence<T>.forEachIndexed(
    action: (index: Int, T) -> Unit)

Performs the given action on each element, providing sequential index with the element.

Parameters

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

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/for-each-indexed.html