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Clojure Reactive Programming

You're reading from   Clojure Reactive Programming Design and implement highly reusable reactive applications by integrating different frameworks with Clojure

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Product type Paperback
Published in Mar 2015
Publisher Packt
ISBN-13 9781783986668
Length 232 pages
Edition 1st Edition
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Author (1):
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Leonardo Borges Leonardo Borges
Author Profile Icon Leonardo Borges
Leonardo Borges
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Table of Contents (13) Chapters Close

Preface 1. What is Reactive Programming? FREE CHAPTER 2. A Look at Reactive Extensions 3. Asynchronous Programming and Networking 4. Introduction to core.async 5. Creating Your Own CES Framework with core.async 6. Building a Simple ClojureScript Game with Reagi 7. The UI as a Function 8. Futures 9. A Reactive API to Amazon Web Services A. The Algebra of Library Design B. Bibliography
Index

Appendix A. The Algebra of Library Design

You might have noticed that all reactive abstractions we have encountered in this book have a few things in common. For one, they work as "container-like" abstractions:

  • Futures encapsulate a computation that eventually yields a single value
  • Observables encapsulate computations that can yield multiple values over time in the shape of a stream
  • Channels encapsulate values pushed to them and can have them popped from it, working as a concurrent queue through which concurrent processes communicate

Then, once we have this "container," we can operate on it in a number of ways, which are very similar across the different abstractions and frameworks: we can filter the values contained in them, transform them using map, combine abstractions of the same type using bind/flatMap/selectMany, execute multiple computations in parallel, aggregate the results using sequence, and much more.

As such, even though the abstractions and their underlying...

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