val list : List<Try<List<Int>>> ...

# arrow

[ciriti]

val list : List<Try<List<Int>>> = listOf(Try.just(listOf(1,2,3,4)), Try.just(listOf(5,6,7,8)))
val e = list.fold(Try.just(listOf<Int>()), { list1, list2 -> list1.flatMap { l1 -> list2.map { l2 -> l1 + l2 } }})