| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Agda.Utils.Bag
Description
A simple overlay over Data.Map to manage unordered sets with duplicates.
Synopsis
- newtype Bag a = Bag {
- bag :: Map a [a]
- null :: Bag a -> Bool
- size :: Bag a -> Int
- (!) :: Ord a => Bag a -> a -> [a]
- member :: Ord a => a -> Bag a -> Bool
- notMember :: Ord a => a -> Bag a -> Bool
- count :: Ord a => a -> Bag a -> Int
- empty :: Bag a
- singleton :: a -> Bag a
- union :: Ord a => Bag a -> Bag a -> Bag a
- unions :: Ord a => [Bag a] -> Bag a
- insert :: Ord a => a -> Bag a -> Bag a
- fromList :: Ord a => [a] -> Bag a
- groups :: Bag a -> [[a]]
- toList :: Bag a -> [a]
- keys :: Bag a -> [a]
- elems :: Bag a -> [a]
- toAscList :: Bag a -> [a]
- map :: Ord b => (a -> b) -> Bag a -> Bag b
- traverse' :: forall a b m. (Applicative m, Ord b) => (a -> m b) -> Bag a -> m (Bag b)
Documentation
A set with duplicates. Faithfully stores elements which are equal with regard to (==).
Constructors
| Bag | |
Fields
| |
Instances
| Foldable Bag Source # | |
Defined in Agda.Utils.Bag Methods fold :: Monoid m => Bag m -> m foldMap :: Monoid m => (a -> m) -> Bag a -> m foldMap' :: Monoid m => (a -> m) -> Bag a -> m foldr :: (a -> b -> b) -> b -> Bag a -> b foldr' :: (a -> b -> b) -> b -> Bag a -> b foldl :: (b -> a -> b) -> b -> Bag a -> b foldl' :: (b -> a -> b) -> b -> Bag a -> b foldr1 :: (a -> a -> a) -> Bag a -> a foldl1 :: (a -> a -> a) -> Bag a -> a elem :: Eq a => a -> Bag a -> Bool maximum :: Ord a => Bag a -> a | |
| Null (Bag a) Source # | |
| Ord a => Monoid (Bag a) Source # | |
| Ord a => Semigroup (Bag a) Source # | |
| Show a => Show (Bag a) Source # | |
| Eq a => Eq (Bag a) Source # | |
| Ord a => Ord (Bag a) Source # | |
Query
(!) :: Ord a => Bag a -> a -> [a] Source #
(bag ! a) finds all elements equal to a. O(log n).
Total function, returns [] if none are.
count :: Ord a => a -> Bag a -> Int Source #
Return the multiplicity of the given element. O(log n + count _ _).