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Hands-On Reactive Programming with Clojure - Second Edition
book

Hands-On Reactive Programming with Clojure - Second Edition

by Konrad Szydlo, Leonardo Borges
January 2019
Intermediate to advanced content levelIntermediate to advanced
298 pages
7h 46m
English
Packt Publishing
Content preview from Hands-On Reactive Programming with Clojure - Second Edition

flatmap and friends

In the previous section, we learned how to transform and combine observables with operations such as map, reduce, and zip. However, the two observables that we just looked at—musicians and bands—were perfectly capable of producing values on their own; they did not need any extra input.

In this section, we will examine a different scenario: we'll learn how we can combine observables, where the output of one is the input of another. We encountered flatmap before, in Chapter 1, What is Reactive Programming? If you have been wondering what its role is, this section addresses exactly that.

Here's what we are going to do: given an observable representing a list of all positive integers, we'll calculate the factorial for all ...

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Publisher Resources

ISBN: 9781789346138Supplemental Content