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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
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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

Panic

Several languages use exceptions for handling errors. However, Go does not use exceptions – it uses something called a panic. This is a built-in function that causes a program to crash. It stops the normal execution of the current goroutine where the panic happened and all other ongoing goroutines and shows a stack trace of what occurred.

In Go, a panic is not the norm, unlike other languages where an exception is the norm. A panic signal indicates something abnormal that is occurring within your code. Usually, when a panic is initiated by runtime or the developer, it is to protect the integrity of the program.

Errors and panics differ in their purposes and how they are handled by the Go runtime. An error in Go indicates that something unexpected occurred, but it will not adversely impact the integrity of the program. Go expects that the developer will handle the error properly. The function or other programs will not typically crash if you do not handle the error...

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