check elements are equal between two array

elementsEqual.swift

import UIKit

//@nvd
//test example: check elements are equal between two array


struct Person {
    var feature: Int?
    var selectedId : Int?
}


// confirming equatable protocol
extension Person: Equatable {
    static func == (lhs: Person, rhs: Person) -> Bool {
        return
            lhs.feature == rhs.feature &&
                lhs.selectedId == rhs.selectedId
    }
}



var personArray1: [Person] = []

personArray1.append(Person(feature: 10, selectedId: 1))
personArray1.append(Person(feature: 20, selectedId: 2))
personArray1.append(Person(feature: 10, selectedId: 3))


var personArray2: [Person] = []

personArray2.append(Person(feature: 10, selectedId: 1))
personArray2.append(Person(feature: 20, selectedId: 2))
//personArray2.append(Person(feature: 10, selectedId: 3))


print(personArray1.elementsEqual(personArray2))
// result false