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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

Modules

A Go module is like a Go package with a version—however, Go modules can consist of multiple packages. Go uses semantic versioning for versioning modules. This means that versions begin with the letter v, followed by the major.minor.patch version numbers. Therefore, you can have versions such as v1.0.0, v1.0.5, and v2.0.2. The v1, v2, and v3 parts signify the major version of a Go package that is usually not backward compatible. This means that if your Go program works with v1, it will not necessarily work with v2 or v3—it might work, but you cannot count on it. The second number in a version is about features. Usually, v1.1.0 has more features than v1.0.2 or v1.0.0, while being compatible with all older versions. Lastly, the third number is just about bug fixes without having any new features. Note that semantic versioning is also used for Go versions.

Go modules were introduced in Go v1.11 but were finalized in Go v1.13.

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