flatMapTo (original) (raw)

@JvmName(name = "flatMapIterableTo")

inline fun <T, R, C : MutableCollection<in R>> Sequence<T>.flatMapTo(destination: C, transform: (T) -> Iterable<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.

Since Kotlin

1.4

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.

Since Kotlin

1.0