flatMap

inline fun <T, R> Flow<Flow<T>>.flatMap(crossinline mapper: suspend (T) -> R): Flow<R>(source)

Transforms each inner Flow element using the given mapper function and flattens the result into a single Flow.

A Flow of mapped and flattened elements

mapper

A suspending function to transform each element

The type of elements in the inner flows

The type of elements after applying the mapper

@JvmName(name = "flatMapIterable")

inline fun <T, R> Flow<Iterable<T>>.flatMap(crossinline mapper: suspend (T) -> R): Flow<R>(source)

Transforms each element from inner Iterables using the given mapper function and flattens the result into a single Flow.

A Flow of mapped and flattened elements

mapper

A suspending function to transform each element

The type of elements in the iterables

The type of elements after applying the mapper