Sous-ensemble de vérification rapide d'un ensemble
// first set
let setA: Set = [1, 2, 3, 5, 4]
print("Set A: ", setA)
// second set
let setB: Set = [1, 2]
print("Set B: ", setB)
// check if setB is subset of setA or not
print("Subset: ", setB.isSubset(of: setA))
SAMER SAEID