Control.Arrow.ArrowExc

Description

The exception arrow class

Documentation

class (Arrow a, ArrowChoice a, ArrowZero a, ArrowIO a) => ArrowExc a where #

Minimal complete definition

Methods

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

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

Instances details

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