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  • Book Overview & Buying Mastering Go – Third Edition
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Mastering Go – Third Edition

Mastering Go – Third Edition - Third Edition

By : Mihalis Tsoukalos
4.6 (16)
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Mastering Go – Third Edition

Mastering Go – Third Edition

4.6 (16)
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)
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14
Other Books You May Enjoy
15
Index

Functions

The main elements of packages are functions, which are the subject of this section.

Type methods and functions are implemented in the same way and, sometimes, the terms functions and type methods are used interchangeably.

A piece of advice: functions must be as independent of each other as possible and must do one job (and only one job) well. So, if you find yourself writing functions that do multiple things, you might want to consider replacing them with multiple functions instead.

You should already know that all function definitions begin with the func keyword, followed by the function’s signature and its implementation, and that functions accept none, one, or multiple arguments and return none, one, or multiple values back. The single most popular Go function is main(), which is used in every executable Go program—the main() function accepts no parameters and returns nothing, but it is the starting point of every Go program. Additionally...

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Mastering Go – Third Edition
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