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

Web links and exercises

  • Write a constant generator iota for the days of the week.
  • Write a Go program that converts an existing array into a map.
  • Visit the documentation page of the time package, which can be found at
  • Can you write a constant generator iota for the powers of the number four?
  • You can also visit the GitHub page where Go 2 and the changes to number literals are being discussed, which will help you to understand how changes in Go are happening:
  • Write your own version of parseDate.go.
  • Write your own version of parseTime.go. Do not forget to test your program.
  • Can you create a version of timeDate.go that can process two date and time formats?