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Diffstat (limited to 'libraries/base/Data/Functor/Product.hs')
| -rw-r--r-- | libraries/base/Data/Functor/Product.hs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libraries/base/Data/Functor/Product.hs b/libraries/base/Data/Functor/Product.hs index 7676aa5f0c..d98d31ea59 100644 --- a/libraries/base/Data/Functor/Product.hs +++ b/libraries/base/Data/Functor/Product.hs @@ -35,7 +35,10 @@ import Text.Read (Read(..), readListDefault, readListPrecDefault) -- | Lifted product of functors. data Product f g a = Pair (f a) (g a) - deriving (Data, Generic, Generic1) + deriving ( Data -- ^ @since 4.9.0.0 + , Generic -- ^ @since 4.9.0.0 + , Generic1 -- ^ @since 4.9.0.0 + ) -- | @since 4.9.0.0 instance (Eq1 f, Eq1 g) => Eq1 (Product f g) where |