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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Implementing Pattern Matching
If you’ve ever programmed in a functional style outside of Clojure, perhaps using Haskell, Erlang, or Scala, you’ve almost certainly seen pattern matching. You can think of pattern matching as similar to Clojure’s destructuring feature. It allows you to pull apart input expressions and bind values to names wherever you want. But pattern matching actually goes a bit further than destructuring as it lets you provide several potential patterns to match, along with clauses that will be executed if there’s a match.
So if you’re a pattern matching fan coming to Clojure, what do you do? If you immediately thought, “I could write a macro!,” you’re more optimistic about your macro skills than I was when I learned about pattern ...
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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.
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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.