Safe Haskell	None
Language	Haskell98

Hedgehog.Internal.Distributive

Documentation

class Distributive g where #

Minimal complete definition

distribute

Associated Types

type Transformer (f :: (* -> *) -> * -> *) (g :: (* -> *) -> * -> *) (m :: * -> *) :: Constraint #

Methods

distribute :: Transformer f g m => g (f m) a -> f (g m) a #

Distribute one monad transformer over another.

Instances

Distributive MaybeT #
Associated Types type Transformer (f :: (* -> ) -> -> ) (MaybeT :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f MaybeT m => MaybeT (f m) a -> f (MaybeT m) a #
Distributive Tree #
Associated Types type Transformer (f :: (* -> ) -> -> ) (Tree :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f Tree m => Tree (f m) a -> f (Tree m) a #
Distributive GenT #
Associated Types type Transformer (f :: (* -> ) -> -> ) (GenT :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f GenT m => GenT (f m) a -> f (GenT m) a #
Distributive TestT #
Associated Types type Transformer (f :: (* -> ) -> -> ) (TestT :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f TestT m => TestT (f m) a -> f (TestT m) a #
Distributive PropertyT #
Associated Types type Transformer (f :: (* -> ) -> -> ) (PropertyT :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f PropertyT m => PropertyT (f m) a -> f (PropertyT m) a #
Monoid w => Distributive (WriterT w) #
Associated Types type Transformer (f :: (* -> ) -> -> ) (WriterT w :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f (WriterT w) m => WriterT w (f m) a -> f (WriterT w m) a #
Distributive (ExceptT x) #
Associated Types type Transformer (f :: (* -> ) -> -> ) (ExceptT x :: ( -> ) -> -> ) (m :: -> *) :: Constraint # Methods distribute :: Transformer f (ExceptT x) m => ExceptT x (f m) a -> f (ExceptT x m) a #
Distributive (ReaderT * r) #
Associated Types type Transformer (f :: (* -> ) -> -> ) (ReaderT r :: (* -> ) -> -> ) (m :: -> ) :: Constraint # Methods distribute :: Transformer f (ReaderT r) m => ReaderT * r (f m) a -> f (ReaderT * r m) a #