make Control.Monad.Instances compilable by nhc98

[haskell-directory.git] / Data / IntSet.hs

diff --git a/Data/IntSet.hs b/Data/IntSet.hs
index 9053098..b48a7c8 100644 (file)
--- a/Data/IntSet.hs
+++ b/Data/IntSet.hs
@@ -212,7 +212,7 @@ member x t
     
 -- | /O(log n)/. Is the element not in the set?
 notMember :: Int -> IntSet -> Bool
-notMember k = not $ member k
+notMember k = not . member k
 
 -- 'lookup' is used by 'intersection' for left-biasing
 lookup :: Int -> IntSet -> Maybe Int