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Mastering Go – Third Edition

You're reading from   Mastering Go – Third Edition Harness the power of Go to build professional utilities and concurrent servers and services

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Product type Paperback
Published in Aug 2021
Publisher Packt
ISBN-13 9781801079310
Length 682 pages
Edition 3rd Edition
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Author (1):
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Mihalis Tsoukalos Mihalis Tsoukalos
Author Profile Icon Mihalis Tsoukalos
Mihalis Tsoukalos
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Table of Contents (17) Chapters Close

Preface 1. A Quick Introduction to Go 2. Basic Go Data Types FREE CHAPTER 3. Composite Data Types 4. Reflection and Interfaces 5. Go Packages and Functions 6. Telling a UNIX System What to Do 7. Go Concurrency 8. Building Web Services 9. Working with TCP/IP and WebSocket 10. Working with REST APIs 11. Code Testing and Profiling 12. Working with gRPC 13. Go Generics 14. Other Books You May Enjoy
15. Index
Appendix A – Go Garbage Collector

A Quick Introduction to Go

Imagine that you are a developer and you want to create a command-line utility. Similarly, imagine that you have a REST API and you want to create a RESTful server that implements that REST API. The first thought that will come to your mind will most likely be which programming language to use.

The most common answer to this question is to use the programming language you know best. However, this book is here to help you consider Go for all these and many more tasks and projects. In this chapter, we begin by explaining what Go is, and continue with the history of Go, and how to run Go code. We will explain some core characteristics of Go, such as how to define variables, control the flow of your programs, and get user input, and we will apply some of these concepts by creating a command-line phone book application.

We will cover the following topics:

  • Introducing Go
  • Hello World!
  • Running Go code
  • Important characteristics...
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