Added notMember to Data.IntSet and Data.IntMap

[ghc-base.git] / Data / Map.hs

diff --git a/Data/Map.hs b/Data/Map.hs
index 7124cd3..92b21a1 100644 (file)
--- a/Data/Map.hs
+++ b/Data/Map.hs
@@ -275,7 +275,7 @@ member k m
 
 -- | /O(log n)/. Is the key not a member of the map?
 notMember :: Ord k => k -> Map k a -> Bool
-notMember k m = not $ Data.Map.member k m
+notMember k m = not $ member k m
 
 -- | /O(log n)/. Find the value at a key.
 -- Calls 'error' when the element can not be found.