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

Times and dates

In this section, you are going to learn how to parse time and date strings in Go, how to convert between different time and date formats, and how to print times and dates in the format you desire. Although this task might look insignificant at first, it can be truly critical when you want to synchronize multiple tasks or when your application needs to read the date from one or more text files, or directly from the user.

The time package is the star of working with times and dates in Go; you will see some of its functions in action in this section.

Before learning how to parse a string and convert it into a time or a date, you will see a simple program named usingTime.go that will introduce you to the time package. The program will be presented in three parts. The first part is the following:

package main 
import (