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

Working with Basic Go Data Types

The previous chapter talked about many fascinating topics including the way the Go garbage collector works, the panic() and recover() functions, the unsafe package, how to call C code from a Go program, and how to call Go code from a C program, as well as the node tree created by the Go compiler when compiling a Go program.

The core subject of this chapter is the basic data types of Go. This list includes numeric types, arrays, slices, and maps. Despite their simplicity, these data types can help you to make numeric calculations. You can also store, retrieve, and alter the data of your programs in a very convenient and quick way. The chapter also covers pointers, constants, loops, and working with dates and times in Go.

In this chapter, you will learn about:

  • Numeric data types
  • Go arrays
  • Go slices and why slices are much better than arrays
  • How to...