Type Classes are BornWe present Type Classes: a series of focused video courses on Haskell, Nix, and related subjects.#type-classes#announcement·typeclasses.com·Aug 27, 2019Type Classes are Born
Understanding profunctorsProfunctors are bifunctors that are contravariant in their first type argument and covariant in their second one.#type-classes#profunctor#contravariance#covariance#functor#bifunctor·typeclasses.com·Aug 11, 2019Understanding profunctors
Understanding contravarianceit is often a surprise for people to learn that function composition is the `fmap` of functions#type-classes#functor#contravariance·typeclasses.com·Aug 11, 2019Understanding contravariance
Type Classes’ one-year anniversary celebrationIn celebration of one year of Type Classes, annual memberships are half-off through June 30.#type-classes#haskell#julie-moronuki·typeclasses.com·Aug 3, 2019Type Classes’ one-year anniversary celebration