sequence

fun <A, B> Either<A, Iterable<B>>.sequence(): List<Either<A, B>>
fun <A, B> Ior<A, Iterable<B>>.sequence(): List<Ior<A, B>>
fun <A> Option<Iterable<A>>.sequence(): List<Option<A>>
fun <E, A> Validated<E, Iterable<A>>.sequence(): List<Validated<E, A>>