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Swift 4 Protocol-Oriented Programming

You're reading from Swift 4 Protocol-Oriented Programming Bring predictability, performance, and productivity to your Swift applications

Product type Paperback

Published in Oct 2017

Publisher Packt

ISBN-13 9781788470032

Length 210 pages

Edition 3rd Edition

Languages

Swift

Tools

iOS

Concepts

Protocol Oriented Programming

Author (1):

Jon Hoffman

View More author details

Table of Contents (9) Chapters

Preface

1. Starting with the Protocol FREE CHAPTER

2. Our Type Choices

3. Extensions

4. Generics

5. Object-Oriented Programming

6. Protocol-Oriented Programming

7. Adopting Design Patterns in Swift

8. Case Studies

Summarizing protocol-oriented programming and object-oriented programming

In this chapter and Chapter 5, Object-Oriented Programming we saw how Swift can be used as both an object-oriented programming language and a protocol-oriented programming language. In these chapters, we saw there were two major differences between the two designs.

The first major difference that we saw is that with a protocol-oriented design we should start with the protocol rather than a superclass. We can then use protocol extensions to add functionality to the types that conform to that protocol or types that conform to protocols that inherit from that protocol. With object-oriented programming, we started with a superclass. When we designed our vehicle types in a protocol-oriented way we converted the Vehicle superclass, from the object-oriented design, to a Vehicle protocol, and then used a protocol extension to add the common functionality needed.

In the protocol-oriented example, we used protocol inheritance...

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Authors (1)

Jon Hoffman

Jon Hoffman

Jon Hoffman has over 25 years of experience in the field of information technology. Over these years, Jon has worked in the areas of system administration, network administration, network security, application development, and architecture. Currently, Jon works as a senior software engineer for Syn-Tech Systems. Jon has developed extensively for the iOS platform since 2008. This includes several apps that he has published in the App Store, apps that he has written for third parties, and numerous enterprise applications. He has also developed mobile applications for the Android and Windows platforms. What really drives Jon the challenges that the field of information technology provides and there is nothing more exhilarating to him than overcoming a challenge. Some of Jon's other interests are spending time with his family, robotic projects, and 3D printing. Jon also really enjoys Tae Kwon Do, where he and his oldest daughter Kailey earned their black belts together early in 2014, Kim (his wife) earned her black belt in December 2014, and his youngest daughter Kara is currently working towards her black belt.

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