The nil case in swift switch statements | Swift Short & Sweet

I am not really sure when this was added or even if this was possible from the beginning, but I just re-discovered a very sweet feature of the switch statement in Swift: The nil case.

enum OneTwo { case one, two }

var ot: OneTwo?

switch ot {

case nil: print("Nil")

case .one?: print("One")

case .two?: print("Two")

}

It even detects the absence of the nil case (when you forget) and asks for a default when you do so.

As near to perfect as it gets imo.

Happy coding...

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