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{-# LANGUAGE GADTs, TemplateHaskell #-}
module T11341 where
import Language.Haskell.TH
import System.IO
type S1 = T1
data T1 a where
MkT1 :: S1 Int
type S2 a = T2
data T2 a where
MkT2 :: S2 Char Int
type Id a = a
type S3 a = T3
data T3 a where
MkT3 :: Id (S3 Char Int)
$( do -- test reification
{ TyConI dec <- runQ $ reify (mkName "T1")
; runIO $ putStrLn (pprint dec) >> hFlush stdout
; TyConI dec <- runQ $ reify (mkName "T2")
; runIO $ putStrLn (pprint dec) >> hFlush stdout
; TyConI dec <- runQ $ reify (mkName "T3")
; runIO $ putStrLn (pprint dec) >> hFlush stdout
; return [] } )
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