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Clojure for the Brave and True by Daniel Higginbotham

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1Building, Running, and the REPL

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In this chapter, you’ll invest a small amount of time up front to get familiar with a quick, foolproof way to build and run Clojure programs. It feels great to get a real program running. Reaching that milestone frees you up to experiment, share your work, and gloat to your colleagues who are still using last decade’s languages. This will help keep you motivated!

You’ll also learn how to instantly run code within a running Clojure process using a Read-Eval-Print Loop (REPL), which allows you to quickly test your understanding of the language and learn more efficiently.

But first, I’ll briefly introduce Clojure. ...

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