Functional Reactive Programming

Summary

Functional Reactive Programming teaches the concepts and applications of FRP. It offers a careful walk-through of core FRP operations and introduces the concepts and techniques you'll need to use FRP in any language.

Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

About the Technology

Today's software is shifting to more asynchronous, event-based solutions. For decades, the Observer pattern has been the go-to event infrastructure, but it is known to be bug-prone. Functional reactive programming (FRP) replaces Observer, radically improving the quality of event-based code.

About the Book

Functional Reactive Programming teaches you how FRP works and how to use it. You'll begin by gaining an understanding of what FRP is and why it's so powerful. Then, you'll work through greenfield and legacy code as you learn to apply FRP to practical use cases. You'll find examples in this book from many application domains using both Java and JavaScript. When you're finished, you'll be able to use the FRP approach in the systems you build and spend less time fixing problems.

What's Inside

Think differently about data and events
FRP techniques for Java and JavaScript
Eliminate Observer one listener at a time
Explore Sodium, RxJS, and Kefir.js FRP systems
About the Reader

Readers need intermediate Java or JavaScript skills. No experience with functional programming or FRP required.

About the Authors

Stephen Blackheath and Anthony Jones are experienced software developers and the creators of the Sodium FRP library for multiple languages. Foreword by Heinrich Apfelmus. Illustrated by Duncan Hill.

Table of Contents

Stop listening!
Core FRP
Some everyday widget stuff
Writing a real application
New concepts
FRP on the web
Switch
Operational primitives
Continuous time
Battle of the paradigms
Programming in the real world
Helpers and patterns
Refactoring
Adding FRP to existing projects
Future directions