Monad
fp
MonadLaw
Monad
Monoid
fp
MonoidLaw
Monoid
map
Applicative
EitherT
Functor
Monad
WriterT
EitherCompat
RightBiasedEither
mapWritten
WriterT
mappend
SemiGroupOps
maybeB
ToEither
monadLaw
Monad
monoidLaw
Monoid