Swift 2 Array Contains object?

Question

Why isn\'t this working? I can use array.contains() on a String but it doesn\'t work for an Object.

var array = [\"A\", \"B\", \"C\"]

array.contains(\"A\") //          


        

Answer 1

Your Dog needs to implement Equatable.

class Dog: Equatable {

   var age = 1

}

func == (lhs: Dog, rhs: Dog) -> Bool {
      return lhs.age == rhs.age
}