Errors do indeed percolate down to 'e' at the end. Data.Aeson.TH[1] can automatically generate JSON decoders and encoders for data types, if that's what you wa

Errors do indeed percolate down to 'e' at the end. Data.Aeson.TH[1] can automatically generate JSON decoders and encoders for data types, if that's what you want. [1] http://hackage.haskell.org/package/aeson-0.8.0.2/docs/Data-Aeson-TH.html http://hackage.haskell.org/package/aeson-0.8.0.2/docs/Data-A...