Book Image

Mastering Go – Third Edition - Third Edition

By : Mihalis Tsoukalos
5 (2)
Book Image

Mastering Go – Third Edition - Third Edition

5 (2)
By: Mihalis Tsoukalos

Overview of this book

Mastering Go is the essential guide to putting Go to work on real production systems. This freshly updated third edition includes topics like creating RESTful servers and clients, understanding Go generics, and developing gRPC servers and clients. Mastering Go was written for programmers who want to explore the capabilities of Go in practice. As you work your way through the chapters, you’ll gain confidence and a deep understanding of advanced Go concepts, including concurrency and the operation of the Go Garbage Collector, using Go with Docker, writing powerful command-line utilities, working with JavaScript Object Notation (JSON) data, and interacting with databases. You’ll also improve your understanding of Go internals to optimize Go code and use data types and data structures in new and unexpected ways. This essential Go programming book will also take you through the nuances and idioms of Go with exercises and resources to fully embed your newly acquired knowledge. With the help of Mastering Go, you’ll become an expert Go programmer by building Go systems and implementing advanced Go techniques in your projects.
Table of Contents (17 chapters)
14
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15
Index

Go Generics

This chapter is about generics and how to use the new syntax to write generic functions and define generic data types. Currently, generics are under development, but the official release is pretty close and we have a good idea of what features generics are going to have and how generics are going to work.

The new generics syntax is coming to Go 1.18, which, according to the Go development cycle, is going to be officially released in February 2022.

Let me make something clear from the beginning: you do not have to use Go generics if you do not want to and you can still write wonderful, efficient, maintainable, and correct software in Go! Additionally, the fact that you can use generics and support lots of data types, if not all available data types, does not mean that you should do that. Always support the required data types, no more, no less, but do not forget to keep an eye on the future of your data and the possibility of supporting data types that...