Clojure in Action

Summary

Clojure in Action is a hands-on tutorial for the working programmer who has written code in a language like Java or Ruby, but has no prior experience with Lisp. It teaches Clojure from the basics to advanced topics using practical, real-world application examples. Blow through the theory and dive into practical matters like unit-testing and environment set-up, all the way through building a scalable web-application using domain-specific languages, Hadoop, HBase, and RabbitMQ.
About the Technology
Clojure is a modern Lisp for the JVM, and it has the strengths you'd expect: first-class functions, macros, support for functional programming, and a Lisp-like, clean programming style.
About this Book
Clojure in Action is a practical guide focused on applying Clojure to practical programming challenges. You'll start with a language tutorial written for readers who already know OOP. Then, you'll dive into the use cases where Clojure really shines: state management, safe concurrency and multicore programming, first-class code generation, and Java interop. In each chapter, you'll first explore the unique characteristics of a problem area and then discover how to tackle them using Clojure. Along the way, you'll explore practical matters like architecture, unit testing, and set-up as you build a scalable web application that includes custom DSLs, Hadoop, HBase, and RabbitMQ.

What's Inside

• A fast-paced Clojure tutorial
• Creating web services with Clojure
• Scaling through messaging
• Creating DSLs with Clojure's macro system
• Test-driven development with Clojure
• Distributed programming with Clojure and more

This book assumes you're familiar with an OO language like Java, C#, or C++, but requires no background in Lisp or Clojure itself.

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Table of Contents

PART 1 GETTING STARTED
1. Introduction to Clojure
2. A whirlwind tour
3. Building blocks of Clojure
4. Polymorphism with multimethods
5. Clojure and Java interop
6. State and the concurrent world
7. Evolving Clojure through macros
PART 2 GETTING REAL
8. Test-driven development and more
9. Data storage with Clojure
10. Clojure and the web
11. Scaling through messaging
12. Data processing with Clojure
13. More on functional programming
14. Protocols, records, and type
15. More macros and DSLs

Amit Rathore has 12 years experience building large-scale, data-heavy applications. He's currently developing production Clojure code for a highly distributed, high-load, real-time big-data system.