February 2016
Intermediate to advanced
382 pages
8h 1m
English
Content preview from Scala Design PatternsBecome 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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Algebraic data types and class hierarchies
Algebraic data types and class hierarchies are other unifications in the Scala programming language. In other functional languages, there are special ways to create custom algebraic data types. In Scala, this is achieved using class hierarchies and namely case classes and objects. Let's see what an ADT actually is, what types there are, and how to define them.
ADTs
Algebraic data types are just composite types that combine other existing types or just represent some new ones. They have only data and do not contain any functionality on top of this data as normal classes would. Some examples can include the day of the week or a class that represents an RGB color—they have no extra functionality and they just ...
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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.