Test.Monad.Trans.Mutants

Documentation

data LiftTwice

An general way to get MonadTrans wrong is to run the base computation twice.

Instances

MonadTrans t => MonadTrans (Mutant LiftTwice t)

Defined in Test.Monad.Trans.Mutants

Methods

lift :: Monad m => m a -> Mutant LiftTwice t m a

data LiftMaybeNothing

Forget the computation.

Instances

MonadTrans (Mutant LiftMaybeNothing MaybeT)

Defined in Test.Monad.Trans.Mutants

Methods

lift :: Monad m => m a -> Mutant LiftMaybeNothing MaybeT m a

data LiftMaybeDiscard

Run the computation but forget the result.

Instances

MonadTrans (Mutant LiftMaybeDiscard MaybeT)

Defined in Test.Monad.Trans.Mutants

Methods

lift :: Monad m => m a -> Mutant LiftMaybeDiscard MaybeT m a