Class | Description |
---|---|
EitherT<M extends MonadRec<?,M>,L,R> |
A
monad transformer for Either . |
IdentityT<M extends MonadRec<?,M>,A> |
A
monad transformer for Identity . |
LazyT<M extends MonadRec<?,M>,A> |
A
monad transformer for Lazy . |
MaybeT<M extends MonadRec<?,M>,A> |
A
monad transformer for Maybe . |
ReaderT<R,M extends MonadRec<?,M>,A> | |
StateT<S,M extends MonadRec<?,M>,A> |
The
State monad transformer . |
WriterT<W,M extends MonadRec<?,M>,A> |
A
monad transformer for Writer . |