Distribution.ArchHs.Exception

Exceptions used in this project.

Documentation

type WithMyErr = Error MyException

Error effect of MyException

data MyException

Custom exception used in this project

Constructors

forall n.HasMyName n => PkgNotFound n

VersionNotFound PackageName Version

TargetExist PackageName DependencyProvider

CyclicExist [PackageName]

NetworkException ClientError

TargetDisappearException PackageName

Instances

Show MyException

Defined in Distribution.ArchHs.Exception

Methods

showsPrec :: Int -> MyException -> ShowS

show :: MyException -> String

showList :: [MyException] -> ShowS

printHandledIOException :: IO () -> IO ()

Catch IOException and print it.

printAppResult :: IO (Either MyException ()) -> IO ()

Print the result of errorToIOFinal.

tryMaybe :: Member WithMyErr r => Sem r a -> Sem r (Maybe a)

Like try but discard the concrete exception.

interceptHttpException :: Members [WithMyErr, Embed IO] r => IO a -> Sem r a

Catch the HttpException thrown in IO monad, then re-throw it with NetworkException.