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

Go and the Operating System

This chapter is an introduction to various Go topics that beginners will find very useful. More experienced Go developers can also use this chapter as a refresher course on the fundamentals of Go. As it happens with most practical subjects, the best way to understand something is to experiment with it. In this case, experimenting means writing Go code on your own, making your own mistakes, and learning from them! Just don't let error messages and bugs discourage you.

In this chapter, you will learn about:

  • The history and the future of the Go programming language
  • The advantages of Go
  • Compiling Go code
  • Executing Go code
  • Downloading and using external Go packages
  • UNIX standard input, output, and error
  • Printing data on the screen
  • Getting user input
  • Printing data to standard error
  • Working with log files
  • Using Docker to compile and execute a Go source file
  • Error handling in Go