8. Packages

Overview

This chapter aims to demonstrate the importance of the use of packages in our Go programs. We will discuss how packages can be used to assist our code in being more maintainable, reusable, and modular. In this chapter, you will see how they can be used to bring structure and organization to our code. This will also be seen in our exercises, activities, and some examples from the Go standard library.

By the end of the chapter, you will be able to describe a package and its structure and declare a package. You will learn to evaluate exported and unexported names in a package, create your own package and import your custom package. You will also be able to distinguish between an executable package and non-executable packages, and create an alias of a package.