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The Go Workshop
book

The Go Workshop

by Delio D'Anna, Andrew Hayes, Sam Hennessy, Jeremy Leasor, Gobin Sougrakpam, Dániel Szabó, Philipp Mieden, David Parker, Gwenn Etourneau, Arpit Aggarwal, Eugene Wang
December 2019
Beginner content levelBeginner
824 pages
14h 36m
English
Packt Publishing
Content preview from The Go Workshop

7. Interfaces

Overview

This chapter aims to demonstrate the implementation of interfaces in Go. It is quite simple compared to other languages because it is done implicitly in Go, whereas other languages require interfaces to be implemented explicitly.

In the beginning, you will be able to define and declare an interface for an application and implement an interface in your applications. This chapter introduces you to use duck typing and polymorphism and accept interfaces and return structs.

By the end of this chapter, you will learn to use type assertion to access our interface's underlying concrete value, and use the type switch statement.

Introduction

In the previous chapter, we discussed error handling in Go. We looked at what an error ...

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Publisher Resources

ISBN: 9781838647940Supplemental Content