Distribution.ReadE

Simple parsing with failure

ReadE

newtype ReadE a

Parser with simple error reporting

Constructors

ReadE

Fields

• runReadE :: String -> Either ErrorMsg a

Instances

Functor ReadE

Methods

fmap :: (a -> b) -> ReadE a -> ReadE b

(<$) :: a -> ReadE b -> ReadE a

succeedReadE :: (String -> a) -> ReadE a

failReadE :: ErrorMsg -> ReadE a

Projections

parseReadE :: ReadE a -> ReadP r a

readEOrFail :: ReadE a -> String -> a

readP_to_E :: (String -> ErrorMsg) -> ReadP a a -> ReadE a