Book Image

Mastering Go - Second Edition

By : Mihalis Tsoukalos
Book Image

Mastering Go - Second Edition

By: Mihalis Tsoukalos

Overview of this book

Often referred to (incorrectly) as Golang, Go is the high-performance systems language of the future. Mastering Go, Second Edition helps you become a productive expert Go programmer, building and improving on the groundbreaking first edition. Mastering Go, Second Edition shows how to put Go to work on real production systems. For programmers who already know the Go language basics, this book provides examples, patterns, and clear explanations to help you deeply understand Go’s capabilities and apply them in your programming work. The book covers the nuances of Go, with in-depth guides on types and structures, packages, concurrency, network programming, compiler design, optimization, and more. Each chapter ends with exercises and resources to fully embed your new knowledge. This second edition includes a completely new chapter on machine learning in Go, guiding you from the foundation statistics techniques through simple regression and clustering to classification, neural networks, and anomaly detection. Other chapters are expanded to cover using Go with Docker and Kubernetes, Git, WebAssembly, JSON, and more. If you take the Go programming language seriously, the second edition of this book is an essential guide on expert techniques.
Table of Contents (20 chapters)
Title Page

What You Might Not Know About Go Packages and Functions

The previous chapter talked about developing and using custom data structures like linked lists, binary trees, and hash tables, as well as generating random numbers and difficult-to-guess passwords in Go and performing matrix operations.

The main focus of this chapter is Go packages, which are the Go way of organizing, delivering, and using code. The most common components of a Go package are functions, which are pretty flexible in Go. Additionally, this chapter will talk about Go modules, which are packages with versions. In the last part of this chapter, you will see some advanced packages that belong to the Go standard library in order to better understand that not all Go packages are created equal.

In this chapter, you will learn about the following topics:

  • Developing functions in Go
  • Anonymous functions
  • Functions...