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Mastering Clojure

You're reading from   Mastering Clojure Understand the philosophy of the Clojure language and dive into its inner workings to unlock its advanced features, methodologies, and constructs

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Product type Paperback
Published in Mar 2016
Last Updated in Feb 2025
Publisher Packt
ISBN-13 9781785889745
Length 266 pages
Edition 1st Edition
Languages
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Author (1):
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 Wali Wali
Author Profile Icon Wali
Wali
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Toc

Table of Contents (14) Chapters Close

Preface 1. Working with Sequences and Patterns FREE CHAPTER 2. Orchestrating Concurrency and Parallelism 3. Parallelization Using Reducers 4. Metaprogramming with Macros 5. Composing Transducers 6. Exploring Category Theory 7. Programming with Logic 8. Leveraging Asynchronous Tasks 9. Reactive Programming 10. Testing Your Code 11. Troubleshooting and Best Practices A. References
Index

Thinking in Clojure

Let's briefly discuss a handful of good practices for building real world applications in Clojure. Of course, these practices are only guidelines, and you should eventually try to establish your own set of rules and practices for writing code in Clojure:

  • Minimize state and use pure functions: Most applications must inevitably use some form of state. You must always strive to reduce the amount of state you're dealing with, and implement most of the heavy lifting in pure functions. State can be managed using reference types, channels, or even monads in Clojure, thus giving us a lot of proven options. In this way, we can reduce the number of conditions that can cause any unexpected behavior in a program. Pure functions are also easier to compose and test.
  • Don't forget about laziness: Laziness can be used as an alternative to solve problems that have solutions based on recursion. Although laziness does tend to simplify several aspects of functional programming...
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