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


  • Create a pipeline that reads text files, finds the number of occurrences of a given phrase in each text file, and calculate the total number of occurrences of the phrase in all files.
  • Create a pipeline for calculating the sum of the squares of all of the natural numbers in a given range.
  • Remove the time.Sleep(1 * time.Second) statement from the simple.go program and see what happens. Why is that?
  • Modify the Go code of pipeline.go in order to create a pipeline with five functions and the appropriate number of channels.
  • Modify the Go code of pipeline.go in order to find out what will happen when you forget to close the out channel of the first() function.