fun <T> Sequence<T>.filterIndexed( predicate: (index: Int, T) -> Boolean ): Sequence<T>
Returns a sequence containing only elements matching the given predicate.
predicate -
function that takes the index of an element and the element itself and returns the result of predicate evaluation on the element.
The operation is intermediate and stateless.
© 2010–2018 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/filter-indexed.html