fun <T, R> Array<out Pair<T, R>>.unzip(): Pair<List<T>, List<R>>
Returns a pair of lists, where first list is built from the first values of each pair from this array, second list is built from the second values of each pair from this array.
fun <T, R> Iterable<Pair<T, R>>.unzip(): Pair<List<T>, List<R>>
Returns a pair of lists, where first list is built from the first values of each pair from this collection, second list is built from the second values of each pair from this collection.
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https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/unzip.html