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Finally, you’ll learn how to actually edit Clojure code and interact with the REPL. Then you’ll learn the basics: how to open, edit, and save files, and how to interact with Emacs using essential key bindings. To get there, you’ll start by installing Emacs and setting up a new-person-friendly Emacs configuration. Emacs is also great for working with any Lisp dialect in fact, Emacs is written in a Lisp dialect called Emacs Lisp (elisp).īy the end of this chapter, your Emacs setup will look something like Figure 2-1.įigure 2-1: A typical Emacs setup for working with Clojure-code on one side, REPL on the other That kind of tight feedback loop will be useful while learning Clojure and, later, when writing real Clojure programs. The reason I recommend Emacs is that it offers tight integration with a Clojure REPL, which allows you to instantly try out your code as you write. Two alternatives that I recommend and that are well regarded in the community are Cursive and Nightcode. If you don’t follow the thorough Emacs instructions in this chapter, or if you choose to use a different editor, it’s worthwhile to at least invest some time in setting up your editor to work with a REPL. I highly recommend working with Emacs, but you can, of course, use any editor you want. On your journey to Clojure mastery, your editor will be your closest ally.
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Written with Hahn's clear, comfortable, and engaging style, Harley Hahn's Emacs Field Guide will surprise you: an engaging book to enjoy now, a comprehensive reference to treasure for years to come.Chapter 2 How to Use Emacs, an Excellent Clojure Editor Kill/delete, move/copy, correcting, spell checking, and filling
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You start by learning how to install and use Emacs with Linux, BSD-based Unix, Mac OS X, or Microsoft Windows. In the second part of the book, Hahn provides an authoritative guide to the fundamentals of thinking and creating within the Emacs environment. What exactly is Emacs? How does it relate to your personal need to work quickly and to solve problems? Hahn then explains the technical details you need to understand to work with your operating system, the various interfaces, and your file system. The first part of the book carefully creates a context for your work with Emacs. In this book, Hahn demystifies Emacs for programmers, students, and everyday users. Harley Hahn, one of the most respected technical authors in the world, makes learning fun and stimulating. As such, integrating Emacs into your personal world of thinking and creating is a long-term process. Emacs, the world's most powerful text editor-based work environment, is easy to use, but far from easy to learn.
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