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▶About This Book
？ Harness the latest and most advanced features of Swift 4 to develop quality iOS and macOS applications
？ Comprehensive coverage of all the advanced features of Swift and guidance on advanced design techniques
？ Dive deep into protocol extensions, learn new error handling model, and use featured Swift design patterns to write more efficient code
？ Get to grips with advanced design techniques to write smarter, cleaner Swift code

▶In Detail
Swift is the definitive language for Apple development today. It's a vital part of any iOS and macOS developer's skillset, helping them to build the most impressive and popular apps on the App Store―the sort of apps that are essential to iPhone and iPad users every day. With version 4.0, the Swift team has added new features to improve the development experience, making it easier to get the results you want and customers expect.

Inside, you'll find the key features of Swift 4.0 and quickly learn how to use the newest updates to your development advantage. From Objective-C interoperability and ARC to closures and concurrency, this advanced Swift guide will develop your expertise and help you become fluent in this vital programming language.

We'll give you an in-depth knowledge of some of the most sophisticated elements of Swift development, including protocol extensions, error-handling, design patterns, and concurrency. We'll guide you on how to use and apply them in your own projects. You'll see how to leverage the power of protocol-oriented programming to write flexible and easier-to-manage code

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▶TABLE of CONTENTS
1: TAKING THE FIRST STEPS WITH SWIFT
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: SWIFT CORE LIBRARIES
17: ADOPTING DESIGN PATTERNS IN SWIFT