arrow-core/arrow.core/traverseOption

traverseOption

inline fun <A, B> Iterable<A>.~~traverseOption~~(f: (A) -> Option<B>): Option<List<B>>

inline fun <A, B> NonEmptyList<A>.~~traverseOption~~(f: (A) -> Option<B>): Option<NonEmptyList<B>>

inline fun <K, A, B> Map<K, A>.~~traverseOption~~(f: (A) -> Option<B>): Option<Map<K, B>>

Deprecated

traverseOption is being renamed to traverse to simplify the Arrow API

Replace with

import arrow.core.traverse

traverse(f)

fun <A, B> Sequence<A>.~~traverseOption~~(f: (A) -> Option<B>): Option<Sequence<B>>

Deprecated

traverseOption is being renamed to traverse to simplify the Arrow API

Replace with

import arrow.core.traverse

traverse(f).map { it.asSequence() }