September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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Common type classes
In a typical project, you will not create many of your own type classes. Since type classes capture behaviors that are common across several types, it is likely that someone else has already implemented a type class similar to what you need, located in a library. It is usually more productive to reuse type classes defined in the SDK (or in third-party libraries) than to try and define your own.
In general, these libraries define predefined instances of a type class for the SDK types (String, Int, Option, and so on). You would typically reuse these instances to derive instances for your own types.
In this section, we will present the type classes that you are most likely to encounter, and how to use them to solve day-to-day ...
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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.