SWIFT

Swift Guard statement

func testFunction() {
	let someValue:Int? = 5
	guard let temp = someValue else {
		return
	}
	print("It has some value (temp)")
}

testFunction()

Swift guard-let Statement

func checkAge() {
	
  var age: Int? = 22

  guard let myAge = age else {
    print("Age is undefined")
    return
  }

  print("My age is (myAge)")
}

checkAge()

Swift Syntax of guard Statement

guard expression else {
  // statements
  // control statement: return, break, continue or throw.
}

Swift Guard Statement

var i = 2

while (i <= 10) {
    
  // guard condition to check the even number 
  guard i % 2 == 0 else {
   
     i = i + 1
    continue
  }

  print(i)
  i = i + 1
}