KiCS2
Exported names: Imported modules:

Module Control.Monad.Trans.Except

Summary of exported operations:

mapExceptT :: (a (Either b c) -> d (Either e f)) -> ExceptT b a c -> ExceptT e d f   
withExceptT :: Functor a => (b -> c) -> ExceptT b a d -> ExceptT c a d   
except :: Monad a => Either b c -> ExceptT b a c   
runExcept :: ExceptT a Identity b -> Either a b   
mapExcept :: (Either a b -> Either c d) -> ExceptT a Identity b -> ExceptT c Identity d   
withExcept :: (a -> b) -> ExceptT a Identity c -> ExceptT b Identity c   
throwE :: Monad a => b -> ExceptT b a c   
catchE :: Monad a => ExceptT b a c -> (b -> ExceptT d a c) -> ExceptT d a c   

Exported datatypes:

ExceptT

Constructor:

  • ExceptT :: (b (Either a c)) -> ExceptT a b c

    Fields:

    • runExceptT :: (b (Either a c))
Except

Type synonym: Except a = ExceptT a Identity

Exported operations:

mapExceptT :: (a (Either b c) -> d (Either e f)) -> ExceptT b a c -> ExceptT e d f   

withExceptT :: Functor a => (b -> c) -> ExceptT b a d -> ExceptT c a d   

except :: Monad a => Either b c -> ExceptT b a c   

runExcept :: ExceptT a Identity b -> Either a b   

Further infos:
  • solution complete, i.e., able to compute all solutions

mapExcept :: (Either a b -> Either c d) -> ExceptT a Identity b -> ExceptT c Identity d   

withExcept :: (a -> b) -> ExceptT a Identity c -> ExceptT b Identity c   

throwE :: Monad a => b -> ExceptT b a c   

catchE :: Monad a => ExceptT b a c -> (b -> ExceptT d a c) -> ExceptT d a c