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Mastering Functional Programming

You're reading from   Mastering Functional Programming Functional techniques for sequential and parallel programming with Scala

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788620796
Length 380 pages
Edition 1st Edition
Languages
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Author (1):
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Anatolii Kmetiuk Anatolii Kmetiuk
Author Profile Icon Anatolii Kmetiuk
Anatolii Kmetiuk
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Table of Contents (17) Chapters Close

Preface 1. The Declarative Programming Style FREE CHAPTER 2. Functions and Lambdas 3. Functional Data Structures 4. The Problem of Side Effects 5. Effect Types - Abstracting Away Side Effects 6. Effect Types in Practice 7. The Idea of the Type Classes 8. Basic Type Classes and Their Usage 9. Libraries for Pure Functional Programming 10. Patterns of Advanced Functional Programming 11. Introduction to the Actor Model 12. The Actor Model in Practice 13. Use Case - A Parallel Web Crawler 14. Introduction to Scala 15. Assessments 16. Other Books You May Enjoy

Libraries for Pure Functional Programming

In the previous chapter, we discussed the purely functional style with the help of essential libraries such as cats. This library performs quite well on tasks of purely functional programming, but in practice, that is not quite enough for comfortable programming.

If you take a look at conventional imperative languages such as Java, you will see that they usually have a lot of libraries and infrastructure for performing specific tasks. Moreover, it is also possible to argue that the choice of programming language is primarily driven by the infrastructure it provides.

This way, for example, Python is a de facto standard for machine learning, because it provides an elaborate set of scientific libraries to perform scientific computing, and R is a de facto standard for statistical computing. Companies often choose Scala because it provides...

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