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Mastering Swift 5

You're reading from   Mastering Swift 5 Deep dive into the latest edition of the Swift programming language

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789139860
Length 370 pages
Edition 5th Edition
Languages
Tools
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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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Toc

Table of Contents (20) Chapters Close

Preface 1. Taking the First Steps with Swift FREE CHAPTER 2. Learning about Variables, Constants, Strings, and Operators 3. Optional Types 4. Using Swift Collections 5. Control Flow 6. Functions 7. Classes, Structures, and Protocols 8. Using Protocols and Protocol Extensions 9. Protocol Oriented Design 10. Generics 11. Availability and Error Handling 12. Custom Subscripting 13. Working with Closures 14. Concurrency and Parallelism in Swift 15. Custom Types 16. Memory Management 17. Swift Formatting and Style Guider 18. Adopting Design Patterns in Swift 19. Other Books You May Enjoy

Methods

Methods are functions that are associated with an instance of a class or structure. A method, like a function, will encapsulate the code for a specific task or functionality that is associated with the class or structure. Let's look at how we can define methods for classes and structures. The following code will return the full name of the employee by using the firstName and lastName properties:

func getFullName() -> String { 
   return firstName + " " + lastName 
}

We define this method exactly as we would define any function. A method is simply a function that is associated with a specific class or structure, and everything that we learned about functions in the previous chapters applies to methods. The getFullName() function can be added directly to the EmployeeClass class or EmployeeStruct structure without any modification.To access a method, we...

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