foundational haskelltypestypeclasses 3 subtopics 21 min total Prerequisites Before reading this, you may want to check out: Foundations Related topicsProtocols & Behaviours — See protocols and behaviours as the Elixir takes on ad-hoc polymorphism.Advanced Type Theory — See type theory applied through Haskell types. Types And Typeclasses Topics Basic Types and Inference Algebraic Data Types Typeclasses