Control.Exception.Throwable

The mostly exceptions has the field for its cause, and its clue.

The cause is the message.

The clue is some stuff for find bugs, the clue can be omitted if you don't need it. (e.g. ioException', illegalArgumentException)

Documentation

data GeneralException a

An other of these exceptions

Constructors

GeneralException

Fields

• exceptionName :: String

  This should be named by PascalCase for show, for example: MyOperation, Database

• exceptionCause :: String

  The message for the cause of the exception

• exceptionClue :: a

  The clue of the exception. This can be anything of Show instance

Instances

Show a => Show (GeneralException a)

Methods

showsPrec :: Int -> GeneralException a -> ShowS

show :: GeneralException a -> String

showList :: [GeneralException a] -> ShowS

(Typeable * a, Show a) => Exception (GeneralException a)

Methods

toException :: GeneralException a -> SomeException

fromException :: SomeException -> Maybe (GeneralException a)

displayException :: GeneralException a -> String

generalException :: String -> String -> GeneralException ()

A constructor for GeneralException but doesn't take the clue

data IOException' a

Constructors

IOException'

Fields

• ioExceptionCause' :: String
• ioExceptionClue' :: a

FileNotFoundException

Fields

• fileNotFoundExceptionCause :: String
• fileNotFoundExceptionClue :: a

Instances

Show a0 => Show (IOException' a0)

Methods

showsPrec :: Int -> IOException' a0 -> ShowS

show :: IOException' a0 -> String

showList :: [IOException' a0] -> ShowS

(Typeable * a0, Show a0) => Exception (IOException' a0)

Methods

toException :: IOException' a0 -> SomeException

fromException :: SomeException -> Maybe (IOException' a0)

displayException :: IOException' a0 -> String

ioException' :: String -> IOException' ()

data IllegalArgumentException a

Constructors

IllegalArgumentException

Fields

• illegalArgumentExceptionCause :: String
• illegalArgumentExceptionClue :: a

Instances

Show a0 => Show (IllegalArgumentException a0)

Methods

showsPrec :: Int -> IllegalArgumentException a0 -> ShowS

show :: IllegalArgumentException a0 -> String

showList :: [IllegalArgumentException a0] -> ShowS

(Typeable * a0, Show a0) => Exception (IllegalArgumentException a0)

Methods

toException :: IllegalArgumentException a0 -> SomeException

fromException :: SomeException -> Maybe (IllegalArgumentException a0)

displayException :: IllegalArgumentException a0 -> String

illegalArgumentException :: String -> IllegalArgumentException ()

data IndexOutOfBoundsException a

Constructors

IndexOutOfBoundsException

Fields

• indexOutOfBoundsExceptionCause :: String
• indexOutOfBoundsExceptionClue :: a

Instances

Show a0 => Show (IndexOutOfBoundsException a0)

Methods

showsPrec :: Int -> IndexOutOfBoundsException a0 -> ShowS

show :: IndexOutOfBoundsException a0 -> String

showList :: [IndexOutOfBoundsException a0] -> ShowS

(Typeable * a0, Show a0) => Exception (IndexOutOfBoundsException a0)

Methods

toException :: IndexOutOfBoundsException a0 -> SomeException

fromException :: SomeException -> Maybe (IndexOutOfBoundsException a0)

displayException :: IndexOutOfBoundsException a0 -> String

indexOutOfBoundsException :: String -> IndexOutOfBoundsException ()