kotlin-spark-api_3.3.2_2.13/org.jetbrains.kotlinx.spark.api/flatten

flatten

inline fun <T, I : Iterable<T>> Dataset<I>.flatten(): Dataset<T>

(Kotlin-specific) Returns a new Dataset by flattening. This means that a Dataset of an iterable such as listOf(listOf(1, 2, 3), listOf(4, 5, 6)) will be flattened to a Dataset of listOf(1, 2, 3, 4, 5, 6).

fun <T> Iterator<Iterator<T>>.flatten(): Iterator<T>

Flattens iterator.