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

A UDP client

If you know how to develop a TCP client, then you should find developing a UDP client much easier due to the simplicity of the UDP protocol.

The biggest difference between UDP and TCP is that UDP is not reliable by design. This also means that, in general, UDP is simpler than TCP because UDP does not need to keep the state of a UDP connection. Put simply, UDP is like "fire and forget," which in some cases is perfect.

The name of the utility presented for this topic is UDPclient.go, and it will be presented in four code segments. The first part of UDPclient.go is as follows:

package main 
import ( 

The second segment of UDPclient.go is as follows:

func main() { 
    arguments := os.Args 
    if len(arguments) == 1 {