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  • Book Overview & Buying Mastering Swift 6
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Mastering Swift 6

Mastering Swift 6 - Seventh Edition

By : Jon Hoffman
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Mastering Swift 6

Mastering Swift 6

5 (2)
By: Jon Hoffman
Buy this Book

Overview of this book

This seventh edition of Mastering Swift 6 is your ultimate guide to harnessing the full power of Swift. Whether you're aiming to optimize the performance of your applications or looking to explore the exciting new features in Swift 6.2, this book has you covered. The author distills his 28 years of experience in the Engineering and IT fields to help you dive deep into advanced concepts and techniques, such as concurrency, memory management, and Generics, all essential for creating high-performance applications. The chapters take you on a flexible journey, covering Swift 6.2’s newest features alongside advanced programming topics such as reflection, concurrency, and Generics. Packed with best practices, testing strategies, and modern programming techniques, this book equips you with the skills to develop scalable, high-performance applications with confidence. Whether you're looking to stay competitive or simply want to excel in Swift 6, this book provides the tools and knowledge you need to succeed.
Table of Contents (25 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Get in touch
Lock Free Chapter
1
The Evolution of Swift
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The Evolution of Swift
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Getting the most out of this book – get to know your free benefits
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How Swift has evolved
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Migrating existing projects to Swift 6
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How swift.org can help you
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Summary
2
Closures and Result Builders
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Closures and Result Builders
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Introducing closures
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Simple closures
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Shorthand syntax for closures
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Using closures with Swift arrays
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Multiple trailing closures
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Advanced closures example
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Result builders
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Summary
3
Protocols and Protocol Extensions
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Protocols and Protocol Extensions
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Protocols as types
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Polymorphism with protocols
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Typecasting with protocols
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Using protocols with enumerations
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Protocol extensions
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Any and any
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Adopting protocols using a synthesized implementation
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Summary
4
Generics
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Generics
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Introducing generics
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Generic functions
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Type constraints
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Generic types
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Generic subscripts
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Associated types
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Implicitly opened existentials
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Summary
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Value and Reference Types
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Value and Reference Types
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Value types and reference types
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Summary
6
Enumerations
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Enumerations
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Raw values
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Associated values
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Pattern matching
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Enumeration iteration
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Going beyond basic values
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Summary
7
Reflection
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Reflection
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Reflection and the Mirror API
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Getting started with the Mirror API
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CustomReflectable protocol
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Serializing objects
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Summary
8
Error Handling and Availability
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Error Handling and Availability
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Native error handling
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Catching errors
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The LocalizedError protocol
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Defer functions
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Multi-pattern catch clauses
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Typed throws
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The availability attribute
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Unavailability
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Summary
9
Regular Expressions
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Regular Expressions
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How regular expressions are built
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Regular expression literals
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Regex type
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RegexBuilder
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Summary
10
Custom Subscripting
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Custom Subscripting
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Introducing subscripts
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Subscripts with Swift arrays
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Creating and using custom subscripts
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External names for subscripts
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Multidimensional subscripts
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Extending types with subscripts
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When not to use a custom subscript
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Summary
11
Property Observers and Wrappers
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Property Observers and Wrappers
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Introducing property observers
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Using property observers
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Introducing property wrappers
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Using property wrappers
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Observation of values
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Summary
12
Dynamic Member Lookup and Key Paths
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Dynamic Member Lookup and Key Paths
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Dynamic member lookup
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Key paths
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Static properties
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Using key paths and dynamic member lookups together
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Summary
13
Grand Central Dispatch
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Grand Central Dispatch
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Concurrency and parallelism
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GCD
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Executing code on the main queue function
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async versus sync methods with GCD
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Dispatch groups
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Barriers
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Dispatch semaphores
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Summary
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Structured Concurrency
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Structured Concurrency
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Data race conditions and Swift 6
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Asynchronous functions
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Tasks
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Task groups
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Actors
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Global actors
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Sendable types
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Adapting completion handlers to async/await
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Strict concurrency checking
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Default actor isolation
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Summary
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Memory Management
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Memory Management
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Introducing ARC
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How ARC works
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Strong reference cycles
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Retain cycles and closures
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InlineArray
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Summary
16
Advanced and Custom Operators
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Advanced and Custom Operators
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Bits and bytes
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Bitwise operators
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BinaryInteger extension
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Overflow operators
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Operator methods
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Custom operators
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Summary
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Access Controls
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Access Controls
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Introducing access control
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Access control levels
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Access levels with enumerations
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Access levels for getters and setters
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Best practices for access control
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Summary
18
Swift Testing
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Swift Testing
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Getting started with Swift Testing
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Building blocks for Swift Testing
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Swift Testing example
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Summary
19
Object-Oriented Programming
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Object-Oriented Programming
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What is OOP?
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Requirements for the example code
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Using object-oriented design
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Issues with the object-oriented design
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Summary
20
Protocol-Oriented Programming
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Protocol-Oriented Programming
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What is POP?
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Requirements for the sample code
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Using POP
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Protocol inheritance
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Protocol composition
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Protocol-oriented design
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Swift standard library
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Summary
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Functional Programming with Swift
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Functional Programming with Swift
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Core principles of functional programming
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Advanced functional programming techniques
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Summary
22
Unlock Your Book’s Exclusive Benefits
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Unlock Your Book’s Exclusive Benefits
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How to unlock these benefits in three easy steps
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Other Books You May Enjoy
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Other Books You May Enjoy
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Index
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Index

The Evolution of Swift

Swift, which was introduced by Apple in 2014, is a versatile and modern programming language designed for building applications across Apple platforms such as iOS, macOS, watchOS, visionOS, and tvOS. However, it can also be used for server-side Linux development, Windows development, and even embedded systems. In September 2020, Apple officially released a version of Swift that can be used for Windows development.

Swift’s seamless blend of safety, speed, and ease of use has made it an attractive choice for developers of all levels, offering a unified language experience across the various platforms. Its concise syntax helps make code clear and easy to understand, while its type inference system helps catch mistakes early on, making code more reliable. Additionally, Swift introduces modern programming concepts such as optionals, generics, and closures, enabling developers to write cleaner and more flexible code. With support from a vibrant community and regular updates from Apple, Swift continues to evolve, providing a user-friendly platform for creating applications across different devices and operating systems.

In this chapter, you will learn about the following topics:

  • How Swift has evolved
  • Migrating existing projects to Swift 6
  • How swift.org can help you

Before we get started with Swift, let’s look at how you can get the most of this book.

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