रिटर्न मान और ट्यूपल से कई मान लौटाना

func minMax(_ a: Int, _ b: Int) -> (Int, Int) {
    if a < b { return (a, b) }
    else { return (b, a) }
}
let pair = minMax(7, 3)
print("min =", pair.0, "max =", pair.1)

func stats(_ xs: [Int]) -> (count: Int, sum: Int) {
    var s = 0
    for x in xs { s += x }
    return (xs.count, s)
}
let result = stats([2, 3, 5])
print("count =", result.count, "sum =", result.sum)

func coords() -> (x: Int, y: Int) { (3, 4) }
let (x, _) = coords()  // ignore y
print("x =", x)

func safeDivide(_ a: Int, _ b: Int) -> Int? {
    if b == 0 { return nil }       // early return for invalid input
    return a / b
}
print(safeDivide(6, 2) ?? -1)
print(safeDivide(6, 0) ?? -1)