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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit f23f22d71c
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Task/Parametric-polymorphism/Haskell/parametric-polymorphism-2.hs Normal file
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instance Functor Tree where
fmap f Empty = Empty
fmap f (Node x l r) = Node (f x) (fmap f l) (fmap f r)