Created
February 23, 2021 04:00
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| λ> :t +v join @((->) Int) | |
| join @((->) Int) | |
| :: forall a. Monad ((->) Int) => (Int -> Int -> a) -> Int -> a |
λ> :set -XTypeApplications -fprint-explicit-foralls
λ> :t +v join
join :: forall (k :: * -> *) a. Monad k => k (k a) -> k a
Use case that sparked this:
λ> join (+) 5
10
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Needs
:set -XTypeApplications -fprint-explicit-foralls