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Mastering Swift 3

You're reading from   Mastering Swift 3 Build incredible apps for iOS and OS X

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Product type Paperback
Published in Oct 2016
Publisher Packt
ISBN-13 9781786466129
Length 392 pages
Edition 1st Edition
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Author (1):
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Jon Hoffman Jon Hoffman
Author Profile Icon Jon Hoffman
Jon Hoffman
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Table of Contents (18) Chapters Close

Preface 1. Taking the First Steps with Swift FREE CHAPTER 2. Learning About Variables, Constants, Strings, and Operators 3. Using Swift Collections and the Tuple Type 4. Control Flow and Functions 5. Classes and Structures 6. Using Protocols and Protocol Extensions 7. Protocol-Oriented Design 8. Writing Safer Code with Availability and Error Handling 9. Custom Subscripting 10. Using Optional Types 11. Working with Generics 12. Working with Closures 13. Using Mix and Match 14. Concurrency and Parallelism in Swift 15. Swift Formatting and Style Guide 16. Swifts Core Libraries 17. Adopting Design Patterns in Swift

Summary


In this chapter, we saw that protocols are treated as full-fledged types by Swift. We also saw how polymorphism can be implemented in Swift with protocols. We concluded this chapter with an in-depth look at protocol extensions and saw how we would use them in Swift.

Protocols and protocol extensions are the backbone of Apple's new POP paradigm. This new model for programming has the potential to change the way we write and think about code. While we did not specifically cover POP in this chapter, understanding the topics in this chapter gives us the solid understanding of protocols and protocol extensions needed to learn about this new programming model.

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