Control.Distributed.Process.Extras.Internal.Containers.MultiMap

Documentation

data MultiMap k v

Opaque type of MultiMaps.

Instances

Foldable (MultiMap k)

Methods

fold :: Monoid m => MultiMap k m -> m

foldMap :: Monoid m => (a -> m) -> MultiMap k a -> m

foldr :: (a -> b -> b) -> b -> MultiMap k a -> b

foldr' :: (a -> b -> b) -> b -> MultiMap k a -> b

foldl :: (b -> a -> b) -> b -> MultiMap k a -> b

foldl' :: (b -> a -> b) -> b -> MultiMap k a -> b

foldr1 :: (a -> a -> a) -> MultiMap k a -> a

foldl1 :: (a -> a -> a) -> MultiMap k a -> a

toList :: MultiMap k a -> [a]

null :: MultiMap k a -> Bool

length :: MultiMap k a -> Int

elem :: Eq a => a -> MultiMap k a -> Bool

maximum :: Ord a => MultiMap k a -> a

minimum :: Ord a => MultiMap k a -> a

sum :: Num a => MultiMap k a -> a

product :: Num a => MultiMap k a -> a

class (Eq a, Hashable a) => Insertable a

Class of things that can be inserted in a map or a set (of mapped values), for which instances of Eq and Hashable must be present.

Instances

(Eq a, Hashable a) => Insertable a

empty :: MultiMap k v

insert :: forall k v. (Insertable k, Insertable v) => k -> v -> MultiMap k v -> MultiMap k v

member :: Insertable k => k -> MultiMap k a -> Bool

lookup :: Insertable k => k -> MultiMap k v -> Maybe [v]

delete :: Insertable k => k -> MultiMap k v -> Maybe ([v], MultiMap k v)

filter :: forall k v. Insertable k => (v -> Bool) -> MultiMap k v -> MultiMap k v

filterWithKey :: forall k v. Insertable k => (k -> v -> Bool) -> MultiMap k v -> MultiMap k v

toList :: MultiMap k v -> [(k, v)]