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Diffstat (limited to 'compiler/Language/Haskell/Syntax/Decls.hs')
| -rw-r--r-- | compiler/Language/Haskell/Syntax/Decls.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/Language/Haskell/Syntax/Decls.hs b/compiler/Language/Haskell/Syntax/Decls.hs index fcbb5856b1..df06635ab3 100644 --- a/compiler/Language/Haskell/Syntax/Decls.hs +++ b/compiler/Language/Haskell/Syntax/Decls.hs @@ -1,5 +1,6 @@ {-# LANGUAGE ConstraintKinds #-} +{-# LANGUAGE DataKinds #-} {-# LANGUAGE DeriveDataTypeable #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE FlexibleInstances #-} @@ -1215,7 +1216,7 @@ type HsConDeclH98Details pass -- GHC.Tc.TyCl—but that is an orthogonal concern.) data HsConDeclGADTDetails pass = PrefixConGADT [HsScaled pass (LBangType pass)] - | RecConGADT (XRec pass [LConDeclField pass]) + | RecConGADT (XRec pass [LConDeclField pass]) (LHsUniToken "->" "→" pass) instance Outputable NewOrData where ppr NewType = text "newtype" |