Chapter 1, 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.
Chapter 2, 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.
Chapter 3, 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.
Chapter 4, Control Flow and Functions, shows ...