kotlin-stdlib / kotlin.sequences / flatMapTo

flatMapTo

Common
JVM
JS
Native
1.0
@JvmName("flatMapIterableTo") inline fun <T, R, C : MutableCollection<in R>> Sequence<T>.flatMapTo(
    destination: C,
    transform: (T) -> Iterable<R>
): C
(source)
inline fun <T, R, C : MutableCollection<in R>> Sequence<T>.flatMapTo(
    destination: C,
    transform: (T) -> Sequence<R>
): C
(source)

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

The operation is terminal.