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Haskell's $ operator for types.
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| {-# LANGUAGE TypeOperators #-} | |
| module T where | |
| -- | Infix application. | |
| -- | |
| -- @ | |
| -- f :: IO $ Maybe Int | |
| -- = | |
| -- f :: IO (Maybe Int) | |
| -- @ | |
| type f $ a = f a | |
| infix 2 $ |
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