var list:[Any] = ["A Random String", 12, 5.2, CGPoint.zero]

// Since the list contains elements of type Any, we can append anything into it.
list.append(UIColor.red)

// Since type is Any, to use any of the elements we need to type check them:
list.forEach { (element) in
    switch element {
    case is String:
        print("String detected: \(element)")
    case is Int:
        print("Int detected: \(element)")
    case is Double:
        print("Double detected: \(element)")
    case let point as CGPoint:
        print("frame detected: x:\(point.x) y:\(point.y)")
    default:
        print("Default: \(element)") /* will print the UIColor
                                        as this doesn't fall into any case */
    }
}