Data.Count

Documentation

class Countable a where

Class and instances for producing Counters by type.

Methods

counter :: Counter a

Instances

Countable Bool

Countable Char

Countable Int

Countable Int8

Countable Int16

Countable Int32

Countable Int64

Countable Integer

Countable ()

Countable a => Countable [a]

Countable a => Countable (Maybe a)

(Countable a, Countable b) => Countable (Either a b)

(Countable a, Countable b) => Countable (a, b)

(Countable a, Countable b, Countable c) => Countable (a, b, c)

(Countable a, Countable b, Countable c, Countable d) => Countable (a, b, c, d)

toPos :: Countable a => a -> Integer

Overloaded cToPos.

fromPos :: Countable a => Integer -> a

Overloaded cFromPos.

count :: Countable a => a -> Maybe Integer

Overloaded cCount. Doesn't attempt to reduce the dummy value given.

allValues :: Countable a => [a]

Overloaded allValuesFor.