BishBosh.Data.Exception

AUTHOR

Dr. Alistair Ward

DESCRIPTION

• Exceptions used by this application.
• CAVEAT: though intended to be orthogonal, there's some inevitable overlap.

Types

Data-types

data BadData

This sum-type of exceptions may be thrown by any function which checks its parameters; typically either constructors or mutators.

Instances

Show BadData

Defined in BishBosh.Data.Exception

Methods

showsPrec :: Int -> BadData -> ShowS

show :: BadData -> String

showList :: [BadData] -> ShowS

data BadRequest

This sum-type of exceptions may be thrown by any function which is unable to comply with a correctly formed request.

Instances

Show BadRequest

Defined in BishBosh.Data.Exception

Methods

showsPrec :: Int -> BadRequest -> ShowS

show :: BadRequest -> String

showList :: [BadRequest] -> ShowS

data Exception

Each exception includes both a type & arbitrary details.

Instances

Show Exception

Defined in BishBosh.Data.Exception

Methods

showsPrec :: Int -> Exception -> ShowS

show :: Exception -> String

showList :: [Exception] -> ShowS

Exception Exception

Defined in BishBosh.Data.Exception

Methods

toException :: Exception -> SomeException

fromException :: SomeException -> Maybe Exception

displayException :: Exception -> String

Functions

Constructors

mkDuplicateData :: String -> Exception

Constructor.

mkIncompatibleData :: String -> Exception

Constructor.

mkInsufficientData :: String -> Exception

Constructor.

mkInvalidDatum :: String -> Exception

Constructor.

mkNullDatum :: String -> Exception

Constructor.

mkOutOfBounds :: String -> Exception

Constructor.

mkRedundantData :: String -> Exception

Constructor.

mkParseFailure :: String -> Exception

Constructor.

mkRequestFailure :: String -> Exception

Constructor.

mkResultUndefined :: String -> Exception

Constructor.

mkSearchFailure :: String -> Exception

Constructor.

Predicates

isBadData :: Exception -> Bool

Predicate.

isBadRequest :: Exception -> Bool

Predicate.