you want something like ``` return parents.flatMap...
# rx
j
you want something like
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return parents.flatMapIterable { it }
    .concatMap { parent -> Single.zip(getFirst(parent), getSecond(parent), { first, second -> parent.copy(first = first, second = second) }) }
    .toList()
­čÖé 1
r
yep! makes sense, thanks Jake ­čÖé