Jon Hoffman - Mastering Swift 4

BIRMINGHAM - MUMBAI

Copyright 2017 Packt Publishing

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First published: June 2015

Second edition: November 2015

Third edition: October 2016

Fourth edition: September 2017

Production reference: 1250917

ISBN 978-1-78847-780-2

www.packtpub.com

Jon Hoffman has over 25 years of experience in the field of information technology. Over these years, Jon has worked in the areas of system administration, network administration, network security, application development, and architecture. Currently, Jon works as a senior software engineer for Syn-Tech Systems.
Jon has developed extensively for the iOS platform since 2008. This includes several apps that he has published in the App Store, apps that he has written for third parties, and numerous enterprise applications. He has also developed mobile applications for the Android and Windows platforms. What really drives Jon is the challenges that the field of information technology provides, and there is nothing more exhilarating to him than overcoming a challenge.
Some of Jon's other interests are spending time with his family, robotic projects, and 3D printing. Jon also really enjoys Tae Kwon Do, where he and his oldest daughter, Kailey, earned their black belts together early in 2014, Kim (his wife), earned her black belt in December 2014, and his youngest daughter, Kara, is currently working toward her black belt.

Arthur Ariel Sabintsev is one of the lead iOS engineers at The Washington Post. His mobile engineering career includes working for a U.S. government-funded digital identity startup (ID.me), a Techstars-funded video startup (Shelby.tv), and an award winning mobile development agency (Fueled). He's spent the last 4 years teaching Swift and Objective-C for General Assembly and Betamore. He also maintains over a dozen open source iOS libraries and has made contributions to the Swift language and to the Swift Source Compatibility Suite. Before leaving his PhD program, he was an experimental nuclear physicist who worked underground colliding subatomic and subnuclear particles.

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Swift is a programming language that was first introduced by Apple at the World Wide Developers Conference (WWDC) in 2014. Each year since that initial announcement, Apple has announced a new version of Swift. At the WWDC in 2017, Apple announced Swift 4.

Swift 4 offers some exciting changes, such as Strings, which are once again a collection of Generic subscripts and one-side range operators. In this book, we will look at these and other changes in Swift.

, Taking the First Steps with Swift, introduces you to the the Swift programming language and discusses what inspired Apple to create Swift. We'll also go over the basic syntax of Swift and how to use Playgrounds to experiment and test the Swift code.

, Learning about Variables, Constants, Strings, and Operators, introduces you to variables and constants in Swift and when to use them. We will also look at the most common operators in the Swift language.

, Using Swift Collections and the Tuple Type, explains Swift's array, set, and dictionary collection types and shows examples of how to use them. We'll also show how to use the Tuple type in Swift.