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Go: Design Patterns for Real-World Projects

You're reading from   Go: Design Patterns for Real-World Projects Build production-ready solutions in Go using cutting-edge technology and techniques

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Product type Course
Published in Jun 2017
Publisher Packt
ISBN-13 9781788390552
Length 1091 pages
Edition 1st Edition
Languages
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Authors (3):
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Mario Castro Contreras Mario Castro Contreras
Author Profile Icon Mario Castro Contreras
Mario Castro Contreras
Mat Ryer Mat Ryer
Author Profile Icon Mat Ryer
Mat Ryer
Vladimir Vivien Vladimir Vivien
Author Profile Icon Vladimir Vivien
Vladimir Vivien
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Toc

Table of Contents (38) Chapters Close

Go: Design Patterns for Real-World Projects
Credits
Preface
Bibliography
1. A First Step in Go 2. Go Language Essentials FREE CHAPTER 3. Go Control Flow 4. Data Types 5. Functions in Go 6. Go Packages and Programs 7. Composite Types 8. Methods, Interfaces, and Objects 9. Concurrency 10. Data IO in Go 11. Writing Networked Services 12. Code Testing 13. Ready... Steady... Go! 14. Creational Patterns - Singleton, Builder, Factory, Prototype, and Abstract Factory Design Patterns 15. Structural Patterns - Composite, Adapter, and Bridge Design Patterns 16. Structural Patterns - Proxy, Facade, Decorator, and Flyweight Design Patterns 17. Behavioral Patterns - Strategy, Chain of Responsibility, and Command Design Patterns 18. Behavioral Patterns - Template, Memento, and Interpreter Design Patterns 19. Behavioral Patterns - Visitor, State, Mediator, and Observer Design Patterns 20. Introduction to Gos Concurrency 21. Concurrency Patterns - Barrier, Future, and Pipeline Design Patterns 22. Concurrency Patterns - Workers Pool and Publish/Subscriber Design Patterns 23. Chat Application with Web Sockets 24. Adding User Accounts 25. Three Ways to Implement Profile Pictures 26. Command-Line Tools to Find Domain Names 27. Building Distributed Systems and Working with Flexible Data 28. Exposing Data and Functionality through a RESTful Data Web Service API 29. Random Recommendations Web Service 30. Filesystem Backup 31. Building a Q&A Application for Google App Engine 32. Micro-services in Go with the Go kit Framework 33. Deploying Go Applications Using Docker 1. Good Practices for a Stable Go Environment

Interfaces


Interfaces are essential in object-oriented programming, in functional programming (traits) and, especially, in design patterns. Go's source code is full of interfaces everywhere because they provide the abstraction needed to deliver uncoupled code with the help of functions. As a programmer, you also need this type of abstraction when you write libraries but also when you write code that is going to be maintained in the future with new functionality.

Interfaces are something difficult to grasp at the beginning but very easy once you have understood their behavior and provide very elegant solutions for common problems. We will use them extensively during this book so put special focus on this section.

Interfaces - signing a contract

An interface is something really simple but powerful. It's usually defined as a contract between the objects that implement it but this explanation isn't clear enough in my honest opinion for newcomers to the interface world.

A water-pipe is a contract...

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