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document types better

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This commit is contained in:
Andrew Martin 2016-06-23 15:06:27 -04:00
parent 3240edd8ec
commit 8f70dbe1d1
1 changed files with 5 additions and 5 deletions
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colonnade/src/Colonnade/Types.hs
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@ -49,11 +49,11 @@ instance Contravariant Headless where
-- Check out @Control.Applicative.Free@ in the @free@ library to -- Check out @Control.Applicative.Free@ in the @free@ library to
-- learn more about this. -- learn more about this.
data Decoding f content a where data Decoding f content a where
DecodingPure :: !a DecodingPure :: !a -- ^ function
-> Decoding f content a -> Decoding f content a
DecodingAp :: !(f content) DecodingAp :: !(f content) -- ^ header
-> !(content -> Either String a) -> !(content -> Either String a) -- ^ decoding function
-> !(Decoding f content (a -> b)) -> !(Decoding f content (a -> b)) -- ^ next decoding
-> Decoding f content b -> Decoding f content b
instance Functor (Decoding f content) where instance Functor (Decoding f content) where