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Mastering Swift 4 - Fourth Edition by Jon Hoffman

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Preface

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.

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