kotlin.sequences.flatMap

flatMap

fun <T, R> Sequence<T>.flatMap(
    transform: (T) -> Sequence<R>
): Sequence<R>

Returns a single sequence of all elements from results of transform function being invoked on each element of original sequence.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/flat-map.html