Immutable/Mutable Collections in Swift

Question

I was referring to Apple\'s Swift programming guide for understanding creation of Mutable/ immutable objects(Array, Dictionary, Sets, Data) in Swift language. But I could\'t

Answer 1

If you want to work with Array (Swift) as with NSArray, you can use a simple bridge function. Example:

var arr1 : Array = []

arr1.bridgeToObjectiveC().count

It works the same for let.