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missingfaktor/gist:1183671

Created August 31, 2011 14:29
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Some Haskell Aeson code that I found interesting
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gistfile1.hs
data Coord = Coord { x :: Double, y :: Double }
instance FromJSON Coord where
parseJSON (Object v) =
Coord <$>
v .: "x" <*>
v .: "y"
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missingfaktor commented Aug 31, 2011

This example shows a very interesting use of applicative, but couldn't this all boilerplate be avoided with a bit of reflection?

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