하스켈 학습 노트: Exception, Except, ExceptT Monad 변환기
Exception 클래스
class (Typeable e, Show e) => Exception e where
toException :: e -> SomeException
fromException :: SomeException -> Maybe e
toException = SomeException
fromException (SomeException e) = cast e
displayException :: e -> String
displayException = show
instance Exception SomeException where
...
7월 1일 20:52에 게시됨