flatMapIndexedTo

Common
JVM
JS
Native
1.4
@JvmName("flatMapIndexedIterableTo") inline fun <T, R, C : MutableCollection<in R>> Sequence<T>.flatMapIndexedTo(
    destination: C,
    transform: (index: Int, T) -> Iterable<R>
): C
@JvmName("flatMapIndexedSequenceTo") inline fun <T, R, C : MutableCollection<in R>> Sequence<T>.flatMapIndexedTo(
    destination: C,
    transform: (index: Int, T) -> Sequence<R>
): C

Appends all elements yielded from results of transform function being invoked on each element and its index in the original sequence, to the given destination.

The operation is terminal.