Going deeper down the category theory rabbit hole, we explore one of the most common and useful abstractions in the functional programming world. You're likely already familiar with Functors but just didn't know it yet.
Episode 16 patrons:
Chris Krycho
Tyler Harper
George Webster
Show Notes:
Functor
map :: (a -> b) -> f a -> f b
Bifunctor
bimap :: (a -> b) -> (c -> d) -> f a c -> f b d
Profunctor
dimap :: (a -> b) -> (c -> d) -> f b c -> f a d
Phil Freeman's talk on Profunctors: https://www.youtube.com/watch?v=OJtGECfksds
