@@ -15,6 +15,7 @@ handlers that respond with arbitrary open unions of types.
15{-# LANGUAGE DataKinds #-}
15{-# LANGUAGE DataKinds #-}
16{-# LANGUAGE DeriveGeneric #-}
16{-# LANGUAGE DeriveGeneric #-}
17{-# LANGUAGE DerivingStrategies #-}
17{-# LANGUAGE DerivingStrategies #-}
18+{-# LANGUAGE DeriveAnyClass #-}
18{-# LANGUAGE DerivingVia #-}
19{-# LANGUAGE DerivingVia #-}
19{-# LANGUAGE FlexibleContexts #-}
20{-# LANGUAGE FlexibleContexts #-}
20{-# LANGUAGE FlexibleInstances #-}
21{-# LANGUAGE FlexibleInstances #-}