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Over 50 recipes to help you quickly and efficiently build applications with Swift 4 and Xcode 9About This Book* Write robust and efficient code and avoid common pitfalls using Swift 4* Get a comprehensive coverage of the tools and techniques needed to create multi-platform apps with Swift 4* Packed with easy-to-follow recipes, this book will help you develop code using the latest version of SwiftWho This Book Is ForIf you are looking for a book to help you learn about the diverse features offered by Swift 4 along with tips and tricks to efficiently code and build applications, then this book is for you. Basic knowledge of Swift or general programming concepts will be beneficial.What You Will Learn* Explore basic to advanced concepts in Swift 4 Programming* Unleash advanced features of Apple's Xcode 9 IDE and Swift Playgrounds* Learn about the conditional statements, loops, and how to handle errors in Swift* Define flexible classes and structs using Generics, and learn about the advanced operators, and create custom operators* Explore functionalities outside of the standard libraries of Swift* Import your own custom functionality into Swift Playgrounds* Run Swift on Linux and investigate server-side programming with the server side framework VaporIn DetailSwift 4 is an exciting, multi-platform, general-purpose programming language. Being open source, modern and easy to use has made Swift one of the fastest growing programming languages. If you interested in exploring it, then this book is what you need.The book begins with an introduction to the basic building blocks of Swift 4, its syntax and the functionalities of Swift constructs. Then, introduces you to Apple's Xcode 9 IDE and Swift Playgrounds, which provide an ideal platform to write, execute, and debug the codes thus initiating your development process. Next, you'll learn to bundle variables into tuples, set order to your data with an array, store key-value pairs with dictionaries and you'll learn how to use the property observers. Later, explore the decision-making and control structures in Swift and learn how to handle errors in Swift 4.Then you'll, examine the advanced features of Swift, generics and operators, and then explore the functionalities outside of the standard library, provided by frameworks such as Foundation and UIKit. Also, you'll explore advanced features of Swift Playgrounds. At the end of the book, you'll learn server-side programming aspect of Swift 4 and see how to run Swift on Linux and then investigate Vapor, one of the most popular server-side frameworks for Swift.Style and approachEach recipe addresses a specific problem, with a detailed discussion that explains the solution and offers insight into how it works.