16: Functors

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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

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