January 2017
Intermediate to advanced
565 pages
13h 46m
English
Content preview from Clojure: High Performance JVM ProgrammingBecome 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 5. Multimethods and Protocols
We now have a better understanding of how Clojure works; we understand how to perform simple operations with immutable data structures but we are missing some features that could make our lives much easier.
If you have been a Java programmer for a while, you are probably thinking about polymorphism and its particular flavor in Java.
Polymorphism is one of the concepts that enable us to reuse a code. It gives us the ability to interact with different objects with the same API.
Clojure has a powerful polymorphism paradigm that allows us to write simple code, create code that interacts with types that don't exist yet, and extend code in ways it wasn't devised for when a programmer wrote it.
To help us with polymorphism ...
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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.