Book Image

C++ Reactive Programming

By : Praseed Pai, Peter Abraham
Book Image

C++ Reactive Programming

By: Praseed Pai, Peter Abraham

Overview of this book

Reactive programming is an effective way to build highly responsive applications with an easy-to-maintain code base. This book covers the essential functional reactive concepts that will help you build highly concurrent, event-driven, and asynchronous applications in a simpler and less error-prone way. C++ Reactive Programming begins with a discussion on how event processing was undertaken by different programming systems earlier. After a brisk introduction to modern C++ (C++17), you’ll be taken through language-level concurrency and the lock-free programming model to set the stage for our foray into the Functional Programming model. Following this, you’ll be introduced to RxCpp and its programming model. You’ll be able to gain deep insights into the RxCpp library, which facilitates reactive programming. You’ll learn how to deal with reactive programming using Qt/C++ (for the desktop) and C++ microservices for the Web. By the end of the book, you will be well versed with advanced reactive programming concepts in modern C++ (C++17).
Table of Contents (20 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

A holistic look at GoF patterns


The design pattern movement started at a time when the World was struggling to come to terms with complexities of object-oriented software design methods. The GoF book and the associated pattern catalog gave developers a set of techniques for designing large-scale systems. Topics such as concurrency and parallelism were not in the minds of the people who designed the catalog. (At least, their work did not reflect this!)

We have seen that event handling through the classic Observer pattern has some limitations, which might be a problem in some cases. What is the way out? We need to take a fresh look at the problem of event handling by taking a step back. We will digress into the subject of philosophy a bit to have a different outlook on the problem that the reactive programming model (programming with Observable Streams!) is trying to solve. Our Journey  will help us to transition nicely from GOF patterns to the world of Reactive programming using functional...