Safe Haskell	None
Language	Haskell2010

Data.ApplicationState

Synopsis

data ApplicationState
- = Running
- | Finished String
- | Error String
stateOf :: Show a => Async a -> IO ApplicationState

Documentation

data ApplicationState Source #

The state of a running Haskell application or an running Async action

Constructors

Running	Application (action) is running
Finished String	Result of the async action
Error String	Description of the error (exception)

Instances

Instances details

Eq ApplicationState Source #
Instance details Defined in Data.ApplicationState Methods (==) :: ApplicationState -> ApplicationState -> Bool # (/=) :: ApplicationState -> ApplicationState -> Bool #
Read ApplicationState Source #
Instance details Defined in Data.ApplicationState Methods readsPrec :: Int -> ReadS ApplicationState # readList :: ReadS [ApplicationState] # readPrec :: ReadPrec ApplicationState # readListPrec :: ReadPrec [ApplicationState] #
Show ApplicationState Source #
Instance details Defined in Data.ApplicationState Methods showsPrec :: Int -> ApplicationState -> ShowS # show :: ApplicationState -> String # showList :: [ApplicationState] -> ShowS #
Generic ApplicationState Source #
Instance details Defined in Data.ApplicationState Associated Types type Rep ApplicationState :: Type -> Type # Methods from :: ApplicationState -> Rep ApplicationState x # to :: Rep ApplicationState x -> ApplicationState #
ToJSON ApplicationState Source #
Instance details Defined in Data.ApplicationState Methods toJSON :: ApplicationState -> Value # toEncoding :: ApplicationState -> Encoding # toJSONList :: [ApplicationState] -> Value # toEncodingList :: [ApplicationState] -> Encoding #
FromJSON ApplicationState Source #
Instance details Defined in Data.ApplicationState Methods parseJSON :: Value -> Parser ApplicationState # parseJSONList :: Value -> Parser [ApplicationState] #
type Rep ApplicationState Source #
Instance details Defined in Data.ApplicationState type Rep ApplicationState = D1 ('MetaData "ApplicationState" "Data.ApplicationState" "haskell-admin-health-1.0.0.0-inplace" 'False) (C1 ('MetaCons "Running" 'PrefixI 'False) (U1 :: Type -> Type) :+: (C1 ('MetaCons "Finished" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String)) :+: C1 ('MetaCons "Error" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String))))

stateOf :: Show a => Async a -> IO ApplicationState Source #

Yields the ApplicationState of an Async