{-# LANGUAGE TemplateHaskell, TypeFamilies, PolyKinds #-} module T9692 where import Language.Haskell.TH import Language.Haskell.TH.Syntax import Language.Haskell.TH.Ppr import System.IO class C a where data F a b :: * instance C Int where data F Int x = FInt x $( do info <- qReify (mkName "F") runIO $ putStrLn $ pprint info runIO $ hFlush stdout return [])