title: Mastering Swift 3 - Linux
author:  Jon Hoffman 
description: Jon Hoffman Jon Hoffman has over 20 years of experience in the field of information technology. Over these 20 years, Jon has worked in the areas of system administration, network administration, network security, application evelopment, 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. 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. You can follow Jon on his blogs: http://masteringswift.blogspot.com and http://myroboticadventure.blogspot.com. Some of Jons other interests are watching baseball (Go Sox) and basketball (Go Celtics). 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 is currently working towards her black belt.
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  ![cover.png](../Images/cover.png)
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  Mastering Swift 5.3
  
  
  Sixth Edition
  
  
  Upgrade your knowledge and become an expert in the latest version of the Swift
  programming language
  
  
  Jon Hoffman
  
  
  ![](../Images/Image1404.png)
  
  
  BIRMINGHAM - MUMBAI
  
  
  
  
  
  Mastering Swift 5.3
  
  
  _Sixth Edition_
  
  
  Copyright © 2020 Packt Publishing
  
  
  All rights reserved. No part of this book may be reproduced, stored in a
  retrieval system, or transmitted in any form or by any means, without the
  prior written permission of the publisher, except in the case of brief
  quotations embedded in critical articles or reviews.
  
  
  Every effort has been made in the preparation of this book to ensure the
  accuracy of the information presented. However, the information contained in
  this book is sold without warranty, either express or implied. Neither the
  author, nor Packt Publishing or its dealers and distributors, will be held
  liable for any damages caused or alleged to have been caused directly or
  indirectly 