Session 20 Swift IOS Code

 IOS Mobile Application Development        

Session 20 Swift IOS Code

---Generic

var variable:Int = 1

func change(num:inout Int)

{

num = 2

print(num)

}

change(num: &variable)

func exchange(a: inout Int, b: inout Int) {

   let temp = a

   a = b

   b = temp

}

var numb1 = 100

var numb2 = 200

print("Before Swapping values are: \(numb1) and \(numb2)")

exchange(a: &numb1, b: &numb2)

print("After Swapping values are: \(numb1) and \(numb2)")

func exchange<T>(a: inout T, b: inout T)

{

   let temp = a

   a = b

   b = temp

}

var num1 = "Fahad"

var num2 = "Hussain"

print("Before Swapping Int values are: \(num1) and \(num2)")

exchange(a: &numb1, b: &numb2)

print("After Swapping Int values are: \(num1) and \(num2)")