Haskell Typeclasses – Gints Dreimanis
In this short video, we give an introduction to typeclasses in Haskell. We talk about what they are and how to use them, as well as how to implement instances of basic typeclasses for your own data types.
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0:00 Intro
0:52 What's a typeclass?
1:10 Example: Num typeclass
1:48 Defining your own typeclass instances
2:32 Deriving a typeclass
2:42 Implementing a typeclass manually
3:17 Basic Haskell typeclasses
3:49 Conclusion