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