Created
October 3, 2020 11:40
Tree instance for Ap and Biap
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instance (Applicative f, Treey tree) => Treey (Ap f tree) where | |
leaf :: Int -> Ap f tree | |
leaf = pure . leaf | |
(¦) :: Ap f tree -> Ap f tree -> Ap f tree | |
(¦) = liftA2 (¦) | |
instance (Biapplicative bi, Treey tree1, Treey tree2) => Treey (Biap bi tree1 tree2) where | |
leaf :: Int -> Biap bi tree1 tree2 | |
leaf = liftA2 bipure leaf leaf | |
(¦) :: Biap bi tree1 tree2 -> Biap bi tree1 tree2 -> Biap bi tree1 tree2 | |
(¦) = biliftA2 (¦) (¦) |
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