Add sample for Map.flatMap

This commit is contained in:
Dmitry Borodin
2020-04-12 01:04:08 +02:00
committed by Ilya Gorbunov
parent 1a0b59da49
commit dd46d5ca5a
3 changed files with 14 additions and 4 deletions
@@ -40,7 +40,7 @@ public fun <K, V> Map<out K, V>.toList(): List<Pair<K, V>> {
/**
* Returns a single list of all elements yielded from results of [transform] function being invoked on each entry of original map.
*
* @sample samples.collections.Collections.Transformations.flatMap
* @sample samples.collections.Maps.Transformations.flatMap
*/
public inline fun <K, V, R> Map<out K, V>.flatMap(transform: (Map.Entry<K, V>) -> Iterable<R>): List<R> {
return flatMapTo(ArrayList<R>(), transform)