ref: b2c417daf11c7b5e6c369e6e4b36fb35cc18eae1
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