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Diffstat (limited to 'Utility/QuickCheck.hs')
-rw-r--r-- | Utility/QuickCheck.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Utility/QuickCheck.hs b/Utility/QuickCheck.hs index 54200d3f7..cd408ddc9 100644 --- a/Utility/QuickCheck.hs +++ b/Utility/QuickCheck.hs @@ -19,6 +19,7 @@ import System.Posix.Types import qualified Data.Map as M import qualified Data.Set as S import Control.Applicative +import Prelude instance (Arbitrary k, Arbitrary v, Eq k, Ord k) => Arbitrary (M.Map k v) where arbitrary = M.fromList <$> arbitrary |