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Define a JSONFields1 bridge for ToJSON instances.

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This commit is contained in:
Rob Rix 2017-09-10 22:32:07 -04:00
parent f43dc62d12
commit f8f3e6466d
1 changed files with 7 additions and 0 deletions
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src/Data/JSON/Fields.hs
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@ -35,3 +35,10 @@ newtype JSONFields a = JSONFields { unJSONFields :: a }
instance (ToJSONFields a) => ToJSON (JSONFields a) where
toJSON = object . toJSONFields . unJSONFields
toEncoding = pairs . mconcat . toJSONFields . unJSONFields
newtype JSONFields1 f a = JSONFields1 { unJSONFields1 :: f a }
instance (ToJSON a, ToJSONFields1 f) => ToJSON (JSONFields1 f a) where
toJSON = object . toJSONFields1 . unJSONFields1
toEncoding = pairs . mconcat . toJSONFields1 . unJSONFields1