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

The go/scanner, go/parser, and go/token packages

This section will talk about the go/scanner, go/parser, and go/token packages, as well as the go/ast package. This is low-level information about how Go scans and parses Go code that will help you to understand how Go works. However, you might want to skip this section if low-level things frustrate you.

Parsing a language requires two phases. The first one is about breaking up the input into tokens (lexical analysis) and the second one is about feeding the parser with all these tokens in order to make sure that these tokens make sense and are in the right order (semantic analysis). Just combining English words does not always create valid sentences.

The go/ast package

An abstract syntax...