Summary

In this chapter, we looked at the importance of developing software that is maintainable, reusable, and modular. We discovered how Go’s packages play an important part in meeting those criteria for developing software. We looked at the overall structure of a package. It is made up of a directory, can contain one or more files, and has code that is related. A package is essentially a directory inside of your workspace that contains one or more files that are used for grouping code that is to perform a task. It exposes only the necessary parts to those using your package to get a job done. We discussed the importance of naming packages properly. We also learned how to name a package; that is, concisely, in lowercase, descriptively, using non-plural names, and avoiding generic names. Packages can be executable or non-executable. If a package is the main package, then it is an executable package. The main package must have a main() function, and that is where the entry point...