August 2014
Intermediate to advanced
120 pages
2h 45m
English
Content preview from Mastering Clojure MacrosBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 1Build a Solid Foundation
Over the course of this book you’re going to learn how and when to write macros in Clojure, but first you need to make sure the fundamentals are in place. In this chapter, you’ll see how reading, quoting, and macroexpansion work. Don’t worry—you won’t have to wait long before you get to write some simple macros. You’ll also see some built-in tools that Clojure provides developers for investigation when macros misbehave.
You don’t need a lot of setup to get started: just the REPL will do for now. If you don’t have Leiningen[7] installed, I suggest you go ahead and do that now, since it’s one of the easiest ways to use Clojure and comes with a nice REPL[8] built in. The examples in this book assume Clojure 1.6.0, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.