Brian Coyner • 11/14/2015

Swift Protocol That Returns An Object Conforming To A Protocol

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This technical article details the process of converting an Objective-C protocol (HRLModalViewControllerProvider) that returns a UIViewController conforming to another protocol (HRLModalPresentationCompletion) into its Swift equivalent. It explains the key role of the typealias declaration and provides sample code for the protocol definitions and a concrete implementation.

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#Protocols #Io #Swift
Swift Protocol That Returns An Object Conforming To A Protocol

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