Data.Multimap.Collection

Documentation

class Foldable c => Collection c where

Lower bound for multimap values.

An alternative could have been to use Applicative but that would have precluded common implementations (e.g. Set).

Minimal complete definition

empty, singleton

Methods

empty :: c v

The empty collection.

singleton :: v -> c v

A singleton collection.

null :: c v -> Bool

size :: c v -> Int

Instances

Collection []

Methods

empty :: [v]

singleton :: v -> [v]

null :: [v] -> Bool

size :: [v] -> Int

Collection Seq

Methods

empty :: Seq v

singleton :: v -> Seq v

null :: Seq v -> Bool

size :: Seq v -> Int

Collection Set

Methods

empty :: Set v

singleton :: v -> Set v

null :: Set v -> Bool

size :: Set v -> Int

null :: Collection c => c v -> Bool

empty :: Collection c => c v

The empty collection.

singleton :: Collection c => v -> c v

A singleton collection.

size :: Collection c => c v -> Int