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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Self types
One of the features of good code is the separation of concerns. Developers should aim to make classes and their methods responsible for one and only one thing. This helps in testing, maintaining, and simply understanding code better. Remember: simple is always better.
However, it is inevitable that when writing real software, we will need instances of some classes within other ones in order to achieve certain functionalities. In other words, once our building blocks are nicely separated, they would have dependencies in order to perform their functionality. What we are talking about here really boils down to dependency injection. Self types provide a way to handle these dependencies in an elegant way. In this section, we will see how ...
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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.