Data.Semigroup.Apply

Semigroups for working with Apply

Documentation

newtype Trav f

A Trav uses an glues together Applicative actions with (*>) in the manner of traverse_ from Data.Foldable. Any values returned by reduced actions are discarded.

Constructors

Trav

Fields

• getTrav :: f ()

Instances

Apply f => Semigroup (Trav f)

Methods

(<>) :: Trav f -> Trav f -> Trav f

sconcat :: NonEmpty (Trav f) -> Trav f

stimes :: Integral b => b -> Trav f -> Trav f

Apply f => Reducer (f a) (Trav f)

Methods

unit :: f a -> Trav f

snoc :: Trav f -> f a -> Trav f

cons :: f a -> Trav f -> Trav f

newtype App f m

A App turns any Apply wrapped around a Semigroup into a Semigroup

Constructors

App

Fields

• getApp :: f m

Instances

Functor f => Functor (App f)

Methods

fmap :: (a -> b) -> App f a -> App f b

(<$) :: a -> App f b -> App f a

Apply f => Apply (App f)

Methods

(<.>) :: App f (a -> b) -> App f a -> App f b

(.>) :: App f a -> App f b -> App f b

(<.) :: App f a -> App f b -> App f a

(Apply f, Reducer c m) => Reducer (f c) (App f m)

Methods

unit :: f c -> App f m

snoc :: App f m -> f c -> App f m

cons :: f c -> App f m -> App f m

(Apply f, Semigroup m) => Semigroup (App f m)

Methods

(<>) :: App f m -> App f m -> App f m

sconcat :: NonEmpty (App f m) -> App f m

stimes :: Integral b => b -> App f m -> App f m