[commit: packages/containers] develop: Added fixity declarations for member, notMember, union, and intersection. (4dd6e01)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/containers

On branch  : develop
Link       : http://git.haskell.org/packages/containers.git/commitdiff/4dd6e01a78774de5e5dd6639b55a2902e610e0cc

>---------------------------------------------------------------

commit 4dd6e01a78774de5e5dd6639b55a2902e610e0cc
Author: Peter Selinger <selinger at mathstat.dal.ca>
Date:   Fri Jul 4 10:31:20 2014 -0300

    Added fixity declarations for member, notMember, union, and intersection.


>---------------------------------------------------------------

4dd6e01a78774de5e5dd6639b55a2902e610e0cc
 Data/IntMap/Base.hs | 8 ++++++++
 Data/IntSet/Base.hs | 7 +++++++
 Data/Map/Base.hs    | 8 ++++++++
 Data/Set/Base.hs    | 8 ++++++++
 4 files changed, 31 insertions(+)

diff --git a/Data/IntMap/Base.hs b/Data/IntMap/Base.hs
index 75b3ae9..9f7be70 100644
--- a/Data/IntMap/Base.hs
+++ b/Data/IntMap/Base.hs
@@ -395,6 +395,8 @@ member k = k `seq` go
     go (Tip kx _) = k == kx
     go Nil = False
 
+infix 4 member
+
 -- | /O(min(n,W))/. Is the key not a member of the map?
 --
 -- > notMember 5 (fromList [(5,'a'), (3,'b')]) == False
@@ -403,6 +405,8 @@ member k = k `seq` go
 notMember :: Key -> IntMap a -> Bool
 notMember k m = not $ member k m
 
+infix 4 notMember
+
 -- | /O(min(n,W))/. Lookup the value at a key in the map. See also 'Data.Map.lookup'.
 
 -- See Note: Local 'go' functions and capturing]
@@ -818,6 +822,8 @@ union :: IntMap a -> IntMap a -> IntMap a
 union m1 m2
   = mergeWithKey' Bin const id id m1 m2
 
+infixl 5 union
+
 -- | /O(n+m)/. The union with a combining function.
 --
 -- > unionWith (++) (fromList [(5, "a"), (3, "b")]) (fromList [(5, "A"), (7, "C")]) == fromList [(3, "b"), (5, "aA"), (7, "C")]
@@ -881,6 +887,8 @@ intersection :: IntMap a -> IntMap b -> IntMap a
 intersection m1 m2
   = mergeWithKey' bin const (const Nil) (const Nil) m1 m2
 
+infixl 5 intersection
+
 -- | /O(n+m)/. The intersection with a combining function.
 --
 -- > intersectionWith (++) (fromList [(5, "a"), (3, "b")]) (fromList [(5, "A"), (7, "C")]) == singleton 5 "aA"
diff --git a/Data/IntSet/Base.hs b/Data/IntSet/Base.hs
index 0063c3f..9719de1 100644
--- a/Data/IntSet/Base.hs
+++ b/Data/IntSet/Base.hs
@@ -332,10 +332,14 @@ member x = x `seq` go
     go (Tip y bm) = prefixOf x == y && bitmapOf x .&. bm /= 0
     go Nil = False
 
+infix 4 member
+
 -- | /O(min(n,W))/. Is the element not in the set?
 notMember :: Key -> IntSet -> Bool
 notMember k = not . member k
 
+infix 4 notMember
+
 -- | /O(log n)/. Find largest element smaller than the given one.
 --
 -- > lookupLT 3 (fromList [3, 5]) == Nothing
@@ -523,6 +527,7 @@ union t@(Bin _ _ _ _) Nil = t
 union (Tip kx bm) t = insertBM kx bm t
 union Nil t = t
 
+infixl 5 union
 
 {--------------------------------------------------------------------
   Difference
@@ -597,6 +602,8 @@ intersection (Tip kx1 bm1) t2 = intersectBM t2
 
 intersection Nil _ = Nil
 
+infixl 5 intersection
+
 {--------------------------------------------------------------------
   Subset
 --------------------------------------------------------------------}
diff --git a/Data/Map/Base.hs b/Data/Map/Base.hs
index db9549f..9d066fa 100644
--- a/Data/Map/Base.hs
+++ b/Data/Map/Base.hs
@@ -456,6 +456,8 @@ member = go
 {-# INLINE member #-}
 #endif
 
+infix 4 member
+
 -- | /O(log n)/. Is the key not a member of the map? See also 'member'.
 --
 -- > notMember 5 (fromList [(5,'a'), (3,'b')]) == False
@@ -469,6 +471,8 @@ notMember k m = not $ member k m
 {-# INLINE notMember #-}
 #endif
 
+infix 4 notMember
+
 -- | /O(log n)/. Find the value at a key.
 -- Calls 'error' when the element can not be found.
 find :: Ord k => k -> Map k a -> a
@@ -1230,6 +1234,8 @@ union t1 t2 = hedgeUnion NothingS NothingS t1 t2
 {-# INLINABLE union #-}
 #endif
 
+infixl 5 union
+
 -- left-biased hedge union
 hedgeUnion :: Ord a => MaybeS a -> MaybeS a -> Map a b -> Map a b -> Map a b
 hedgeUnion _   _   t1  Tip = t1
@@ -1350,6 +1356,8 @@ intersection t1 t2 = hedgeInt NothingS NothingS t1 t2
 {-# INLINABLE intersection #-}
 #endif
 
+infixl 5 intersection
+
 hedgeInt :: Ord k => MaybeS k -> MaybeS k -> Map k a -> Map k b -> Map k a
 hedgeInt _ _ _   Tip = Tip
 hedgeInt _ _ Tip _   = Tip
diff --git a/Data/Set/Base.hs b/Data/Set/Base.hs
index ffcdfd0..5727de6 100644
--- a/Data/Set/Base.hs
+++ b/Data/Set/Base.hs
@@ -318,6 +318,8 @@ member = go
 {-# INLINE member #-}
 #endif
 
+infix 4 member
+
 -- | /O(log n)/. Is the element not in the set?
 notMember :: Ord a => a -> Set a -> Bool
 notMember a t = not $ member a t
@@ -327,6 +329,8 @@ notMember a t = not $ member a t
 {-# INLINE notMember #-}
 #endif
 
+infix 4 notMember
+
 -- | /O(log n)/. Find largest element smaller than the given one.
 --
 -- > lookupLT 3 (fromList [3, 5]) == Nothing
@@ -578,6 +582,8 @@ union t1 t2 = hedgeUnion NothingS NothingS t1 t2
 {-# INLINABLE union #-}
 #endif
 
+infixl 5 union
+
 hedgeUnion :: Ord a => MaybeS a -> MaybeS a -> Set a -> Set a -> Set a
 hedgeUnion _   _   t1  Tip = t1
 hedgeUnion blo bhi Tip (Bin _ x l r) = link x (filterGt blo l) (filterLt bhi r)
@@ -636,6 +642,8 @@ intersection t1 t2 = hedgeInt NothingS NothingS t1 t2
 {-# INLINABLE intersection #-}
 #endif
 
+infixl 5 intersection
+
 hedgeInt :: Ord a => MaybeS a -> MaybeS a -> Set a -> Set a -> Set a
 hedgeInt _ _ _   Tip = Tip
 hedgeInt _ _ Tip _   = Tip