Swift 2 By Example

Preface

The introduction of Swift during WWDC 2014 surprised the whole community of iOS developers, who were waiting to be introduced to the new API from iOS 8, not to be transformed into beginners.

Besides the surprise, most of them understood that this would have been a great opportunity to create a new world of libraries, patterns, best practices, and so on. On the other hand, communities of programmers in different languages, who were intimidated by the rough first impact of Objective-C, started to be attracted by Swift, which—with its friendly syntax—was less intimidating.

After a year, Swift 2.0 has proven to be a huge improvement over the first version, enriched by a lot of new features and strengthened by its use in thousands of new apps. ...