filterIndexed
Returns a sequence containing only elements matching the given predicate.
import kotlin.test.*
fun main(args: Array<String>) {
//sampleStart
val numbers: List<Int> = listOf(0, 1, 2, 3, 4, 8, 6)
val numbersOnSameIndexAsValue = numbers.filterIndexed { index, i -> index == i }
println(numbersOnSameIndexAsValue) // [0, 1, 2, 3, 4, 6]
//sampleEnd
}
Parameters
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.