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Composing with applicatives
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| import Data.Functor.Compose | |
| import Control.Lens | |
| foo = getCompose $ (*3) <$> Compose (pure succ) :: IO (Int -> Int) | |
| -- return 5 <**> foo | |
| -- 18 | |
| fim = (. (*3)) <$> pure succ :: IO (Int -> Int) | |
| --return 5 <**> fim | |
| --16 |
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