Learning Swift™ Programming

Which Member Was Set?

After the sourceType for UIImagePickerControllerSourceType is set, how do you figure out which enum value was set? You use a switch statement. Let’s go back to the suits in the deck of cards example. You will reuse the thisCardSuit variable like so:

switch thisCardSuit {case .Hearts:    println("was hearts")case .Clubs:    println("was clubs")case .Diamonds:    println("was diamonds")case .Spades:    println("was spades")}// was clubs

Of course, this switch statement must be exhaustive (see Chapter 1, “Getting Your Feet Wet”). This example prints out was clubs.