Kotlin in Action

List of Figures

Chapter 1. Kotlin: what and why

Figure 1.1. Kotlin build process

Chapter 2. Kotlin basics

Figure 2.1. Kotlin function declaration

Figure 2.2. In Java, the directory hierarchy duplicates the package hierarchy.

Figure 2.3. Your package hierarchy doesn’t need to follow the directory hierarchy.

Figure 2.4. A representation of the expression Sum(Sum-Num(1), Num(2)), Num(4))

Figure 2.5. The IDE highlights smart casts with a background color.

Chapter 3. Defining and calling functions

Figure 3.1. The receiver type is the type on which the extension is defined, and the receiver object is the instance of that type.

Figure 3.2. Extension functions are declared outside of the class.

Figure 3.3. You create a pair using the to function ...