Yesod

Documentation

module Yesod.Request

module Yesod.Content

module Yesod.Yesod

module Yesod.Handler

module Yesod.Dispatch

module Yesod.Form

module Yesod.Hamlet

module Yesod.Json

module Yesod.Widget

type Application = Request -> IO Response

lift :: MonadTrans t => forall m a. Monad m => m a -> t m a

Lift a computation from the argument monad to the constructed monad.

liftIO :: MonadIO m => forall a. IO a -> m a

Lift a computation from the IO monad.

class MonadIO m => MonadCatchIO m

Instances

MonadCatchIO IO

MonadCatchIO m => MonadCatchIO (ListT m)

MonadCatchIO m => MonadCatchIO (MaybeT m)

MonadCatchIO m => MonadCatchIO (IdentityT m)

MonadCatchIO m => MonadCatchIO (Iteratee a m)

MonadCatchIO m => MonadCatchIO (ContT r m)

(MonadCatchIO m, Error e) => MonadCatchIO (ErrorT e m)

MonadCatchIO m => MonadCatchIO (ReaderT r m)

MonadCatchIO m => MonadCatchIO (StateT s m)

MonadCatchIO m => MonadCatchIO (StateT s m)

(Monoid w, MonadCatchIO m) => MonadCatchIO (WriterT w m)

(Monoid w, MonadCatchIO m) => MonadCatchIO (WriterT w m)

MonadCatchIO m => MonadCatchIO (MEitherT e m)

MonadCatchIO (GHandler sub master)

MonadCatchIO (GWidget sub master)

(Monoid w, MonadCatchIO m) => MonadCatchIO (RWST r w s m)

(Monoid w, MonadCatchIO m) => MonadCatchIO (RWST r w s m)

mempty :: Monoid a => a

Identity of mappend