![]() ![]() The way this works is that as in this case is a syntax sugar for the following: let string = "MyString" let nsstring: NSString = string. While visually the same, this case is completely different from the view controllers one! String does not inherit or uses NSString in any way - they are different objects with different implementations. Pros: The software is probably the best objc to swift converter on the. However, as is also the Obj-C bridging operator: let string = "MyString" let nsstring = string as NSString Swiftify for Xcode automates the conversion process, replacing the syntax so that. ![]() Deep down, they are still the same object. There is no change in functionality between myViewController and viewController because all the operator does is limit what you can access from that type. PaintCode is a unique vector drawing app that generates Objective-C or Swift code in real time, acting as a bridge between developers and graphic designers. As you might know, Swift developers can use the as upcast operator to convert a type to one of the superclasses or protocols that it inherits from: let myViewController = MyViewController() let viewController = myViewController as UIViewController
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