July 2018
Intermediate
186 pages
3h 24m
English
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Ad Hoc Polymorphism and Type Classes
In this section, we'll be exploring ad hoc polymorphism, but through the usage of type classes.
Types of Polymorphism
In computer science, polymorphism is the provision of a single interface to entities of different types. Polymorphism consists of three types: subtyping, parametric polymorphism, and ad hoc polymorphism.
Subtyping enables polymorphism by having different implementations of the same method (but keeping the interface) in the different subclasses. Parametric polymorphism enables polymorphism by allowing code to be written without the mention of a specific type. For example, when you operate over a generic
List, you're applying parametric polymorphism. Ad hoc polymorphism enables polymorphism by allowing ...
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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.