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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
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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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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

goto statements

There may come a time when you want to skip certain logic within a function and go to a certain location within the function using the goto keyword. This may be accomplished using a label within the function and will result in a compilation error if attempting to use the goto label outside of the function scope.

goto statements are a way of adapting the Go control flow; however, they need to be used with caution as they can lead to difficulties in understanding function control flow and decrease code readability if used improperly. goto statements are used within the Go standard library in some cases, such as the math package, to make logic easier to read and reduce the need for unnecessary variables.

Exercise 2.12 – using goto statements

In this exercise, we’ll use goto in a function to show you how you can take control of it. We’re going to create a loop that keeps looping forever. This means we will have to stop it and exit manually...

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