diff options
Diffstat (limited to 'compiler/GHC/Core/TyCon.hs')
| -rw-r--r-- | compiler/GHC/Core/TyCon.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/Core/TyCon.hs b/compiler/GHC/Core/TyCon.hs index e3044095bc..1c4a9ed292 100644 --- a/compiler/GHC/Core/TyCon.hs +++ b/compiler/GHC/Core/TyCon.hs @@ -8,6 +8,7 @@ The @TyCon@ datatype {-# LANGUAGE CPP, FlexibleInstances #-} {-# LANGUAGE LambdaCase #-} +{-# LANGUAGE DeriveDataTypeable #-} module GHC.Core.TyCon( -- * Main TyCon data types @@ -2586,7 +2587,7 @@ data TyConFlavour | TypeSynonymFlavour | BuiltInTypeFlavour -- ^ e.g., the @(->)@ 'TyCon'. | PromotedDataConFlavour - deriving Eq + deriving (Eq, Data.Data) instance Outputable TyConFlavour where ppr = text . go |