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Add instances #35

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Add instances #35

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33a3f7e
Add instances for convenience
Apr 2, 2020
201c83b
Generalize
Apr 2, 2020
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9 changes: 9 additions & 0 deletions src/Servant/Multipart.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,12 @@ data MultipartData tag = MultipartData
, files :: [FileData tag]
}

instance Semigroup (MultipartData tag) where
d1 <> d2 = MultipartData (inputs d1 <> inputs d2) (files d1 <> files d2)

instance Monoid (MultipartData tag) where
mempty = MultipartData [] []

fromRaw :: forall tag. ([Network.Wai.Parse.Param], [File (MultipartResult tag)])
-> MultipartData tag
fromRaw (inputs, files) = MultipartData is fs
Expand Down Expand Up @@ -274,6 +280,9 @@ class ToMultipart tag a where
instance ToMultipart tag (MultipartData tag) where
toMultipart = id

instance (ToMultipart tag a, Foldable t) => ToMultipart tag (t a) where
toMultipart xs = foldMap toMultipart xs

-- | Upon seeing @MultipartForm a :> ...@ in an API type,
--- servant-server will hand a value of type @a@ to your handler
-- assuming the request body's content type is
Expand Down