| diff --git a/Utility/QuickCheck.hs b/Utility/QuickCheck.hs | |
| index cd408dd..9f60f23 100644 | |
| --- a/Utility/QuickCheck.hs | |
| +++ b/Utility/QuickCheck.hs | |
| @@ -9,2 +9,3 @@ | |
| {-# LANGUAGE TypeSynonymInstances #-} | |
| +{-# LANGUAGE CPP #-} | |
| @@ -23,2 +24,3 @@ import Prelude | |
| +#if ! MIN_VERSION_QuickCheck(2,8,2) | |
| instance (Arbitrary k, Arbitrary v, Eq k, Ord k) => Arbitrary (M.Map k v) where | |
| @@ -28,2 +30,3 @@ instance (Arbitrary v, Eq v, Ord v) => Arbitrary (S.Set v) where | |
| arbitrary = S.fromList <$> arbitrary | |
| +#endif | |