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Diffstat (limited to 'libraries/base/GHC/Event/Unique.hs')
| -rw-r--r-- | libraries/base/GHC/Event/Unique.hs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libraries/base/GHC/Event/Unique.hs b/libraries/base/GHC/Event/Unique.hs index 0363af2068..1339bd97e7 100644 --- a/libraries/base/GHC/Event/Unique.hs +++ b/libraries/base/GHC/Event/Unique.hs @@ -19,7 +19,10 @@ import GHC.Show(Show(..)) data UniqueSource = US (MutableByteArray# RealWorld) newtype Unique = Unique { asInt :: Int } - deriving (Eq, Ord, Num) + deriving ( Eq -- ^ @since 4.4.0.0 + , Ord -- ^ @since 4.4.0.0 + , Num -- ^ @since 4.4.0.0 + ) -- | @since 4.3.1.0 instance Show Unique where |