October 2015
Intermediate to advanced
288 pages
7h 35m
English
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9. Simplifying Logging with a Macro
One of the distinguishing characteristics of a Lisp-language like Clojure is the parenthesis. The benefit of this is minimal syntax, where everything is a list. Xerox Parc alumni and Apple Fellow Alan Kay called this characteristic a homoiconic language. In addition to simple syntax, we can treat code as data and data as code. One of the primary means to treat code as data is a macro.
In this chapter we’ll give you some examples of how you can use macros in your day-to-day work. We’ll start with a logging application and then look at a more advanced use in the next chapter. Note that there are better ways to achieve both these goals in Clojure, and we’ll mention those as well. The point is being able to recognize ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.