First time I see a map :: (m a, a -> b) -> m b. How do you relate it to lift precisely?
I always saw map :: (a -> b) -> m a -> m b. Basically, the canonical map is "your" map curried.
What is the advantage of using map with your types? How does it help understand function composition?
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First time I see a map :: (m a, a -> b) -> m b. How do you relate it to lift precisely?
I always saw map :: (a -> b) -> m a -> m b. Basically, the canonical map is "your" map curried.
What is the advantage of using map with your types? How does it help understand function composition?