Living Clojure: An Introduction and Training Plan for Developers

"O'Reilly Media, Inc."
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If you’re an experienced programmer who has not worked with Clojure before, this guide is the perfect thorough but gentle introduction for you. Author Carin Meier not only provides a practical overview of this JVM language and its functional programming concepts, but also includes a complete hands-on training course to help you learn Clojure in a structured way.

The first half of the book takes you through Clojure’s unique design and lets you try your hand at two Clojure projects, including a web app. The holistic course in second half provides you with critical tools and resources, including ways to plug into the Clojure community.

  • Understand the basic structure of a Clojure expression
  • Learn how to shape and control code in a functional way
  • Discover how Clojure handles real-world state and concurrency
  • Take advantage of Java classes and learn how Clojure handles polymorphism
  • Manage and use libraries in a Clojure project
  • Use the core.async library for asynchronous and concurrent communication
  • Explore the power of macros in Clojure programming
  • Learn how to think in Clojure by following the book’s seven-week training course
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About the author

Carin started off as a professional ballet dancer, studied Physics in college, and has been developing software for both the enterprise and entrepreneur ever since. She has a strong background in Ruby and Clojure. She is highly involved in the community and has spoken at many conferences, including keynoting at OSCON. She also leads the Cincinnati Functional Programmers and the Clojure and Coffee user groups in Cincinnati.

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Additional Information

Publisher
"O'Reilly Media, Inc."
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Published on
Apr 14, 2015
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Pages
242
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ISBN
9781491909287
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Language
English
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Genres
Computers / Programming / General
Computers / Programming / Object Oriented
Computers / Programming Languages / Java
Computers / Programming Languages / LISP
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Content Protection
This content is DRM free.
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Available on Android devices
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Eligible for Family Library

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Think in the Clojure way! Once you're familiar with Clojure, take the next step with extended lessons on the best practices and most critical decisions you'll need to make while developing. Learn how to model your domain with data, transform it with pure functions, manage state, spread your work across cores, and structure apps with components. Discover how to use Clojure in the real world, and unlock the speed and power of this beautiful language on the Java Virtual Machine.

Clojure Applied gives you the practical, realistic advice and depth of field that's been missing from your development practice. You want to develop software in the most effective, efficient way possible. This book gives you the answers you've been looking for in friendly, clear language.

Dive into the core concepts of Clojure: immutable collections, concurrency, pure functions, and state management. You'll finally get the complete picture you've been looking for, rather than dozens of puzzle pieces you must assemble yourself. First, explore the core concepts of Clojure development: learn how to model your domain with immutable data; choose the ideal collection; and write simple, pure functions for efficient transformation. Next you'll apply those core concepts to build applications: discover how Clojure manages state and identity; spread your work for concurrent programming; and create and assemble components. Finally, see how to manage external integration and deployment concerns by developing a testing strategy, connecting with other data sources, and getting your libraries and applications out the door.

Go beyond the toy box and into Clojure's way of thinking. By the end of this book, you'll have the tools and information to put Clojure's strengths to work.

What You Need:

To follow along with the examples in the book, you will need Clojure 1.6, Leinegen 2, and Java 6 or higher.
Clojure is a practical, general-purpose language that offers expressivity rivaling other dynamic languages like Ruby and Python, while seamlessly taking advantage of Java libraries, services, and all of the resources of the JVM ecosystem. This book helps you learn the fundamentals of Clojure with examples relating it to the languages you know already, in the domains and topics you work with every day. See how this JVM language can help eliminate unnecessary complexity from your programming practice and open up new options for solving the most challenging problems.



Clojure Programming demonstrates the language’s flexibility by showing how it can be used for common tasks like web programming and working with databases, up through more demanding applications that require safe, effective concurrency and parallelism, data analysis, and more. This in-depth look helps tie together the full Clojure development experience, from how to organize your project and an introduction to Clojure build tooling, to a tutorial on how to make the most of Clojure’s REPL during development, and how to deploy your finished application in a cloud environment.



Learn how to use Clojure while leveraging your investment in the Java platformUnderstand the advantages of Clojure as an efficient Lisp for the JVMSee how Clojure is used today in several practical domainsDiscover how Clojure eliminates the need for many verbose and complicated design patternsDeploy large or small web applications to the cloud with Clojure
Drowning in unnecessary complexity, unmanaged state, and tangles of spaghetti code? In the best tradition of Lisp, Clojure gets out of your way so you can focus on expressing simple solutions to hard problems. Clojure cuts through complexity by providing a set of composable tools--immutable data, functions, macros, and the interactive REPL. Written by members of the Clojure core team, this book is the essential, definitive guide to Clojure. This new edition includes information on all the newest features of Clojure, such as transducers and specs.

Clojure joins the flexibility and agility of Lisp with the reach, stability, and performance of Java. Combine Clojure's tools for maximum effectiveness as you work with immutable data, functional programming, and safe concurrency to write programs that solve real-world problems.

Start by reading and understanding Clojure syntax and see how Clojure is evaluated. From there, find out about the sequence abstraction, which combines immutable collections with functional programming to create truly reusable data transformation code. Clojure is a functional language; learn how to write programs in a functional style, and when and how to use recursion to your advantage. Discover Clojure's unique approach to state and identity, techniques for polymorphism and open systems using multimethods and protocols, and how to leverage Clojure's metaprogramming capabilities via macros. Finally, put all the pieces together in a real program.

New to this edition is coverage of Clojure's spec library, one of the most interesting new features of Clojure for describing both data and functions. You can use Clojure spec to validate data, destructure data, explain invalid data, and generate large numbers of tests to verify the correctness of your code.

With this book, you'll learn how to think in Clojure, and how to take advantage of its combined strengths to build powerful programs quickly.

What You Need:

Java 6 or higherClojure 1.9

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