# aeson-modern-tojson Provide a newtype to be used with DerivingVia to correctly derive [ToJSON](https://hackage.haskell.org/package/aeson-1.5.6.0/docs/Data-Aeson.html#g:7). As simple as: ``` data W = W Int Int deriving stock (Generic) deriving (ToJSON) via (ModernToJSON W) ```