Control.Arrow.ArrowExc

Description

The exception arrow class

Documentation

class (Arrow a, ArrowChoice a, ArrowZero a, ArrowIO a) => ArrowExc (a :: Type -> Type -> Type) where Source #

Minimal complete definition

Methods

tryA :: a b c -> a b (Either SomeException c) Source #

catchA :: a b c -> a SomeException c -> a b c Source #

Instances details

ArrowExc IOLA Source #
Instance details Defined in Control.Arrow.IOListArrow Methods tryA :: IOLA b c -> IOLA b (Either SomeException c) Source # catchA :: IOLA b c -> IOLA SomeException c -> IOLA b c Source #
ArrowExc (IOSLA s) Source #
Instance details Defined in Control.Arrow.IOStateListArrow Methods tryA :: IOSLA s b c -> IOSLA s b (Either SomeException c) Source # catchA :: IOSLA s b c -> IOSLA s SomeException c -> IOSLA s b c Source #