Safe Haskell	None
Language	Haskell2010

Servant.Server.Internal.Handler

Documentation

newtype Handler a Source #

Constructors

Handler
Fields runHandler' :: ExceptT ServerError IO a

Instances

Instances details

Monad Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods (>>=) :: Handler a -> (a -> Handler b) -> Handler b Source # (>>) :: Handler a -> Handler b -> Handler b Source # return :: a -> Handler a Source #
Functor Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods fmap :: (a -> b) -> Handler a -> Handler b Source # (<$) :: a -> Handler b -> Handler a Source #
MonadFail Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods fail :: String -> Handler a Source #
Applicative Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods pure :: a -> Handler a Source # (<>) :: Handler (a -> b) -> Handler a -> Handler b Source # liftA2 :: (a -> b -> c) -> Handler a -> Handler b -> Handler c Source # (>) :: Handler a -> Handler b -> Handler b Source # (<*) :: Handler a -> Handler b -> Handler a Source #
MonadIO Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods liftIO :: IO a -> Handler a Source #
MonadThrow Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods throwM :: Exception e => e -> Handler a Source #
MonadCatch Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods catch :: Exception e => Handler a -> (e -> Handler a) -> Handler a Source #
MonadMask Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods mask :: (( forall a. Handler a -> Handler a) -> Handler b) -> Handler b Source # uninterruptibleMask :: (( forall a. Handler a -> Handler a) -> Handler b) -> Handler b Source # generalBracket :: Handler a -> (a -> ExitCase b -> Handler c) -> (a -> Handler b) -> Handler (b, c) Source #
MonadBase IO Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods liftBase :: IO α -> Handler α Source #
MonadBaseControl IO Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Associated Types type StM Handler a Source # Methods liftBaseWith :: ( RunInBase Handler IO -> IO a) -> Handler a Source # restoreM :: StM Handler a -> Handler a Source #
MonadError ServerError Handler Source #
Instance details Defined in Servant.Server.Internal.Handler Methods throwError :: ServerError -> Handler a Source # catchError :: Handler a -> ( ServerError -> Handler a) -> Handler a Source #
Generic ( Handler a) Source #
Instance details Defined in Servant.Server.Internal.Handler Associated Types type Rep ( Handler a) :: Type -> Type Source # Methods from :: Handler a -> Rep ( Handler a) x Source # to :: Rep ( Handler a) x -> Handler a Source #
type StM Handler a Source #
Instance details Defined in Servant.Server.Internal.Handler type StM Handler a = Either ServerError a
type Rep ( Handler a) Source #
Instance details Defined in Servant.Server.Internal.Handler type Rep ( Handler a) = D1 (' MetaData "Handler" "Servant.Server.Internal.Handler" "servant-server-0.19.2-G0Z4CBXVk6K3TywlQVHRKg" ' True ) ( C1 (' MetaCons "Handler" ' PrefixI ' True ) ( S1 (' MetaSel (' Just "runHandler'") ' NoSourceUnpackedness ' NoSourceStrictness ' DecidedLazy ) ( Rec0 ( ExceptT ServerError IO a))))

runHandler :: Handler a -> IO ( Either ServerError a) Source #