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Mark Hopkins

Sr. software engineer



Mark has a PhD in algebra, writes Haskell at a bank, and loves functional programming.

Talks at YOW!

All of Basic Category Theory

  • YOW! Lambda Jam 2018

Have you ever been puzzled by the suggestion that

data Lens s a = Lens { get :: s -> a, set :: a -> s -> s }

might be in some sense the same as

forall f. Functor f => (a -> f a) -> s -> f s/code>

or, more to the poi...

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