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Mastering Go

You're reading from   Mastering Go Leverage Go's expertise for advanced utilities, empowering you to develop professional software

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Product type Paperback
Published in Mar 2024
Publisher Packt
ISBN-13 9781805127147
Length 736 pages
Edition 4th Edition
Languages
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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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Toc

Table of Contents (19) Chapters Close

Preface 1. A Quick Introduction to Go 2. Basic Go Data Types FREE CHAPTER 3. Composite Data Types 4. Go Generics 5. Reflection and Interfaces 6. Go Packages and Functions 7. Telling a UNIX System What to Do 8. Go Concurrency 9. Building Web Services 10. Working with TCP/IP and WebSocket 11. Working with REST APIs 12. Code Testing and Profiling 13. Fuzz Testing and Observability 14. Efficiency and Performance 15. Changes in Recent Go Versions 16. Other Books You May Enjoy
17. Index
Appendix: The Go Garbage Collector

Exercises

  • Create test functions for a package that calculates numbers in the Fibonacci sequence. Do not forget to implement the package.
  • The code in testHTTP/server_test.go uses the same value for lastlogin in the expected variable. This is clearly a bug in restdb.go as the value of lastlogin should be updated. After correcting the bug, modify testHTTP/server_test.go to take into account the different values of the lastlogin field.
  • Try to find the value of os.TempDir() in various operating systems.
  • Type go doc os/signal.NotifyContext to see that you can handle signals in a context.Context environment. Try to create an example that uses signal.NotifyContext.
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