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 .