Data.Semigroup.Monad

Semigroups for working with Monads.

Documentation

newtype Action f

A Action uses an glues together monadic actions with (>>) in the manner of mapM_ from Data.Foldable. Any values returned by reduced actions are discarded.

Constructors

Action

Fields

getAction :: f ()

Instances

Monad f => Monoid (Action f)

Monad f => Semigroup (Action f)

Monad f => Reducer (f a) (Action f)

newtype Mon f m

Constructors

Mon

Fields

getMon :: f m

Instances

Monad f => Monad (Mon f)

(Monad f, Reducer c m) => Reducer (f c) (Mon f m)

(Monad f, Monoid m) => Monoid (Mon f m)

(Monad f, Semigroup m) => Semigroup (Mon f m)