From b66296a577751404276704488eb1017026855b37 Mon Sep 17 00:00:00 2001 From: Simon Marlow Date: Tue, 4 May 2010 15:28:15 +0000 Subject: [PATCH] add Typeable instance --- Data/Unique.hs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Data/Unique.hs b/Data/Unique.hs index 55dfa50..ab3d647 100644 --- a/Data/Unique.hs +++ b/Data/Unique.hs @@ -27,11 +27,16 @@ import System.IO.Unsafe (unsafePerformIO) import GHC.Base import GHC.Num import GHC.Conc +import Data.Typeable #endif -- | An abstract unique object. Objects of type 'Unique' may be -- compared for equality and ordering and hashed into 'Int'. -newtype Unique = Unique Integer deriving (Eq,Ord) +newtype Unique = Unique Integer deriving (Eq,Ord +#ifdef __GLASGOW_HASKELL__ + ,Typeable +#endif + ) uniqSource :: TVar Integer uniqSource = unsafePerformIO (newTVarIO 0) -- 1.7.10.4