WIP unworking newtype deriving

Author: turion

rhine-cassava/rhine-cassava.cabal

@@ -89,6 +89,7 @@ library
     default-language: Haskell2010
 
     default-extensions:
+        DerivingStrategies
         FlexibleInstances
         MultiParamTypeClasses
         NamedFieldPuns

rhine-cassava/src/FRP/Rhine/Clock/Csv.hs

@@ -27,6 +27,7 @@ and returns a parsed record.
 Additionally to an end-of-file error, it can also return a parse error as a 'String'.
 -}
 newtype CsvClock = CsvClock (File String (Vector Record))
+  deriving newtype (Clock (ExceptT (Either String FileException) IO) CsvClock)
 
 -- | Create a 'CsvClock' from a file path.
 csvClock :: FilePath -> CsvClock