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Go Programming - From Beginner to Professional

You're reading from   Go Programming - From Beginner to Professional Learn everything you need to build modern software using Go

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781803243054
Length 680 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Samantha Coyle Samantha Coyle
Author Profile Icon Samantha Coyle
Samantha Coyle
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Toc

Table of Contents (30) Chapters Close

Preface 1. Part 1: Scripts
2. Chapter 1: Variables and Operators FREE CHAPTER 3. Chapter 2: Command and Control 4. Chapter 3: Core Types 5. Chapter 4: Complex Types 6. Part 2: Components
7. Chapter 5: Functions – Reduce, Reuse, and Recycle 8. Chapter 6: Don’t Panic! Handle Your Errors 9. Chapter 7: Interfaces 10. Chapter 8: Generic Algorithm Superpowers 11. Part 3: Modules
12. Chapter 9: Using Go Modules to Define a Project 13. Chapter 10: Packages Keep Projects Manageable 14. Chapter 11: Bug-Busting Debugging Skills 15. Chapter 12: About Time 16. Part 4: Applications
17. Chapter 13: Programming from the Command Line 18. Chapter 14: File and Systems 19. Chapter 15: SQL and Databases 20. Part 5: Building For The Web
21. Chapter 16: Web Servers 22. Chapter 17: Using the Go HTTP Client 23. Part 6: Professional
24. Chapter 18: Concurrent Work 25. Chapter 19: Testing 26. Chapter 20: Using Go Tools 27. Chapter 21: Go in the Cloud 28. Index 29. Other Books You May Enjoy

Structured data

Once you have requested data from a server, the data returned can come in various formats. For example, if you send a request to packtpub.com, it will return HTML data for the Packt website. While HTML data is useful for displaying websites, it isn’t ideal for sending machine-readable data. A common data type used in web APIs is JSON. JSON provides a good structure for data that is both machine-readable and human-readable. Later, you will learn how to parse JSON and make use of it using Go.

Exercise 17.02 – using the HTTP Client with structured data

In this exercise, you will parse structured JSON data in Go. The server will return JSON data, and you will use the json.Unmarshal function to parse the data and put them into a struct:

  1. Create a new directory, Exercise17.02. Within that directory, create two more directories, server and client. Then, within the server directory, create a file called server.go and write the following code:
    package...
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