Chapter 1
Hello Swift
Swift is a new language designed by Apple for developing iOS and OS X applications. It takes the best parts of C and Objective-C and adapts them with modern features and patterns. Swift-compiled programs will run on iOS7 or newer and OS X 10.9 (Mavericks) or newer.
The two main goals for the language are compatibility with the Cocoa and Cocoa Touch frameworks and safety, as you’ll see in the upcoming chapters. If you’ve been using Objective-C, especially the modern syntax, Swift will feel familiar.
However, Swift’s syntax is actually a major departure from Objective-C. It takes lots of cues from programming languages such as Haskell, C#, Ruby, and Python.
Some of the technologies we will cover in this book are the following: ...
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