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

Creating WebAssembly code

Go allows you to create WebAssembly code with the help of the go tool. Before I illustrate the process, I will share more information about WebAssembly.

A quick introduction to WebAssembly

WebAssembly (Wasm) is a machine model and executable format targeting a virtual machine. It is designed for efficiency, both in speed and file size. This means that you can use a WebAssembly binary on any platform you want without a single change.

WebAssembly comes in two formats: plain text format and binary format. Plain text format WebAssembly files have the .wat extension, whereas binary files have the .wasm file extension. Notice that once you have a WebAssembly binary file, you will have to load and use it using the...