how to get the cartesian product of two sets in swift

main.swift
func cartesianProduct<T>(_ a: Set<T>, _ b: Set<T>) -> Set<Set<T>> {
    var result = Set<Set<T>>()
    for aElement in a {
        for bElement in b {
            result.insert([aElement, bElement])
        }
    }
    return result
}
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main.swift
let a = Set(["a", "b", "c"])
let b = Set([1, 2])
let result = cartesianProduct(a, b)
print(result) // Output: [[“a”, 1], [“a”, 2], [“b”, 1], [“b”, 2], [“c”, 1], [“c”, 2]]
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