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Mastering Swift 3 - Linux

You're reading from   Mastering Swift 3 - Linux Learn to build fast and robust applications on the Linux platform with Swift

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781786461414
Length 380 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 (24) Chapters Close

Mastering Swift 3 - Linux
Credits
About the Author
About the Reviewers
www.PacktPub.com
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 Error Handling 9. Custom Subscripting 10. Using Optional Types 11. Working with Generics 12. Working with Closures 13. Using C Libraries with Swift 14. Concurrency and Parallelism in Swift 15. Swifts Core Libraries 16. Swift on Single Board Computers 17. Swift Formatting and Style Guide 18. Adopting Design Patterns in Swift

Chapter 8. Writing Safer Code with Error Handling

When I first started writing applications with Objective-C, one of the most noticeable deficiencies was the lack of exception handling. Most modern programming languages, such as Java and C#, use try...catch blocks or something similar to handle exceptions. While Objective-C did have the try...catch block, it wasn't used within the Cocoa frameworks themselves, and it never felt like a true part of the language. I have significant experience with C, so I was able to understand how Apple frameworks received and responded to errors, and, to be honest, in some cases, I actually preferred this method, even though I had grown accustomed to exception handling with Java and C#. When Swift was first introduced, I was hoping that Apple would put true error handling into the language so we would have the option of using it; however, it was not in the initial release of Swift. When Swift 2 was released, Apple added additional error handling to Swift...

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