What are practical uses of applicative style?

Question

I am a Scala programmer, learning Haskell now. It\'s easy to find practical use cases and real world examples for OO concepts, such as decorators, strategy pattern etc. Books an

Answer 1

Here is an example taken from the aeson package:

data Coord = Coord { x :: Double, y :: Double }

instance FromJSON Coord where
   parseJSON (Object v) = 
      Coord <$>
        v .: "x" <*>
        v .: "y"