In this chapter, we worked with transforming and filtering operators to model our Observable sequences. The chapter was majorly divided into two sections; in the first section, we learned how to transform the outputs from one Observable sequence to match the inputs as expected by other subscriptions, and in the second section, we learned how to select the elements from an array of elements that suit our requirements. We saw how we can chain a number of operators to perform a consolidated action and noted how this process improves the readability of code. You might have felt the difference while working with the declarative style of programming, since operators perform a major chunk of work under the hood without dishing out the implementation details. Moving on, we will get into how we can combine multiple Observables into a single Observable sequence. You will work with...
Reactive Programming with Swift 4
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Reactive Programming with Swift 4
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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.
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Current Title:
Reactive Programming with Swift 4
Table of Contents (15 chapters)
Preface
Free Chapter
Migrating from Swift 3 to Swift 4
FRP Fundamentals, Terminology, and Basic Building Blocks
Set up RxSwift and Convert a Basic Login App to its RxSwift Counterpart
When to Become Reactive?
Filter, Transform, and Simplify
Reduce by Combining and Filtering and Common Trade Offs
React to UI Events – Start Subscribing
RxTest and Custom Rx Extensions – Testing with Rx
Testing Your RxCode – Testing Asynchronous Code
Schedule Your Tasks, Don't Queue!
Subscribe to Errors and Save Your App
Functional and Reactive App-Architecture
Finish a Real-World Application
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Customer Reviews