@JvmOverloads fun <A> Arb.Companion.set(gen: Gen<A>, range: IntRange = 0..100): Arb<Set<A>>
Returns an Arb whose of values are a set of values generated by the given element generator. The size of each set is determined randomly within the specified range.
Note: This may fail to terminate if the element generator cannot produce a large enough number of unique items to satify the required set size