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


  • Write a web client in Go on your own without looking at the code in this chapter.
  • Merge the code for MXrecords.go and NSrecords.go in order to create a single utility that does both jobs based on its command-line arguments.
  • Modify the code for MXrecords.go and NSrecords.go to also accept IP addresses as input.
  • Create a version of MXrecords.go and NSrecords.go using the cobra and viper packages.
  • Create your own gRPC application using your own interface definition language.
  • Make the necessary code changes to gServer.go in order to use goroutines and keep the number of clients that it has served.
  • Modify advancedWebClient.go in order to save the HTML output in an external file.
  • Try to implement a simple version of ab(1) on your own in Go using goroutines and channels.
  • Modify kvWeb.go in order to support the DELETE and LOOKUP operations found in the original version of the...