| Safe Haskell | None |
|---|---|
| Language | Haskell98 |
Control.Exception.IOChoice.Lifted.TH
Description
This package provides a function to generate a choice operator in lifted IO monad by specifying exceptions to be caught.
- newIOChoice :: [Name] -> ExpQ
Documentation
newIOChoice :: [Name] -> ExpQ #
A function to generate a choice operator in lifted IO monad.
IOException is automatically added to specified exceptions.
So, goNext can be used with
the new operator.
{-# LANGUAGE TemplateHaskell #-}
import Control.Exception
import Control.Exception.IOChoice.Lifted.TH
(||>>) :: MonadBaseControl IO m => m a -> m a -> m a
(||>>) = $(newIOChoice [''ErrorCall, ''ArithException])