ref: 01e3ea89201c49757154ce04c475a95b0040d3df
dir: /lib/Control/Monad/IO/Class.hs/
module Control.Monad.IO.Class (MonadIO(..)) where import Prelude() import Data.Char import Control.Applicative import Control.Monad import System.IO class (Monad m) => MonadIO m where liftIO :: IO a -> m a instance MonadIO IO where liftIO io = io