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filterIndexed

fun <T> Sequence<T>.filterIndexed(
    predicate: (index: Int, T) -> Boolean
): Sequence<T>

Returns a sequence containing only elements matching the given predicate.

Parameters

predicate - function that takes the index of an element and the element itself and returns the result of predicate evaluation on the element.

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