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Reactive Programming with Swift 4

By : Singh

4.4 (5)

Buy this Book

Reactive Programming with Swift 4

4.4 (5)

By: Singh

Buy this Book

Overview of this book

RxSwift belongs to a large family of Rx implementations in different programming languages that share almost identical syntax and semantics. Reactive approach will help you to write clean, cohesive, resilient, scalable, and maintainable code with highly configurable behavior. This book will introduce you to the world of reactive programming, primarily focusing on mobile platforms. It will tell how you can benefit from using RxSwift in your projects, existing or new. Further on, the book will demonstrate the unbelievable ease of configuring asynchronous behavior and other aspects of the app that are traditionally considered to be hard to implement and maintain. It will explain what Rx is made of, and how to switch to reactive way of thinking to get the most out of it. Also, test production code using RxTest and the red/ green approach. Finally, the book will dive into real-world recipes and show you how to build a real-world app by applying the reactive paradigm. By the end of the book, you’ll be able to build a reactive swift application by leveraging all the concepts this book takes you through.

Preface

Who this book is for

What this book covers

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Free Chapter

Migrating from Swift 3 to Swift 4

What's new in Swift 4?

Summary

FRP Fundamentals, Terminology, and Basic Building Blocks

Functional reactive programming

Summary

Set up RxSwift and Convert a Basic Login App to its RxSwift Counterpart

RxSwift in action

Summary

When to Become Reactive?

Creating and subscribing to Observables

Understanding traits and its types

Summary

Filter, Transform, and Simplify

Working with events using operators

Filtering operators

Summary

Reduce by Combining and Filtering and Common Trade Offs

Combining and filtering Observable sequences

Concatenating and prefixing

Summary

React to UI Events – Start Subscribing

RxCocoa traits

Binding UI elements in practice

Summary

RxTest and Custom Rx Extensions – Testing with Rx

Testing in RxSwift

Summary

Testing Your RxCode – Testing Asynchronous Code

Tracking down issues – Debugging Rx code

Summary

Schedule Your Tasks, Don't Queue!

Queues and schedulers

Summary

Subscribe to Errors and Save Your App

Error handling

Summary

Functional and Reactive App-Architecture

Design patterns

Summary

Finish a Real-World Application

Networking in RxSwift

Summary

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FRP Fundamentals, Terminology, and Basic Building Blocks

This chapter will introduce you to the basic building blocks that form the foundation of RxSwift as a library. We will introduce two different types of programming styles, the imperative and declarative style of doing things in code, and then establish the sweet spot between the two styles where RxSwift sits to take advantage of both programming paradigms.

We will elaborate on what functional reactive programming is and how you can adapt your code for it. The main topics covered in this chapter are as listed: