siblings.swift

struct Siblings {
    var sibling1: Int
    var sibling2: Int
    

    
    init(sibling1: Int, sibling2: Int){
        self.sibling1 = sibling1
        self.sibling2 = sibling2
    }
    init (sibling1: Int) {
        self.init(sibling1: sibling1, sibling2: 0)
    }
    init (sibling2: Int) {
        self.init(sibling1: 0, sibling2: sibling2)
    }
}

var siblings = Siblings(sibling1: 3, sibling2: 4)
Siblings(sibling1: 1)

var bro1 = Siblings(sibling1: 1)
var bro2 = Siblings(sibling2: 2)

func swapOnce<Lol> (_ bro1: inout Lol,_ bro2: inout Lol) {
    let swapOnceAgain = bro1
    bro1 = bro2
    bro2 = swapOnceAgain
}
    if bro1 > bro2 { // Binary operator '>' cannot be applied to two 'Siblings' operands
    print("Older brother is \(bro1), youngest brother is \(bro2)")
}
    else {
    swap(&bro1, &bro2)
    print("Older brother is \(bro1), youngest brother is \(bro2)")
}