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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
Publisher Packt
ISBN-13 9781785889745
Length 266 pages
Edition 1st Edition
Languages
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Author (1):
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Akhil Wali Akhil Wali
Author Profile Icon Akhil Wali
Akhil 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

Using channels

The core.async library (https://github.com/clojure/core.async) facilitates asynchronous programming in Clojure. Through this library, we can use asynchronous constructs that run on both the JVM and web browsers without dealing with how they are scheduled for execution on low-level threads. This library is an implementation of the theory in the paper Communicating Sequential Processes (CSPs), originally published in the late '70s by C. A. R. Hoare. The bottom line of CSPs is that any system that processes some input and provides an output can be comprised of smaller subsystems, and each subsystem can be defined in terms of processes and queues. A queue simply buffers data, and a process can read from and write to several queues. Here, we shouldn't confuse the term process with an operating system process. In the context of CSPs, a process is simply a sequence of instructions that interacts with some data stored in queues. Several processes may exist in a given...

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