shithub: MicroHs

ref: e103326dde34c2b490e95aa6561bb2ed6bdaff96
dir: /lib/System/Exit.hs/

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module System.Exit(
  ExitCode(..),
  exitWith,
  exitFailure,
  exitSuccess,
  die,
  ) where
import Control.Exception
import Data.Typeable
import System.IO

data ExitCode = ExitSuccess | ExitFailure Int
  deriving (Typeable, Show)

instance Exception ExitCode

exitWith :: forall a . ExitCode -> IO a
exitWith = throwIO

exitFailure :: forall a . IO a
exitFailure = exitWith (ExitFailure 1)

exitSuccess :: forall a . IO a
exitSuccess = exitWith ExitSuccess

die :: forall a . String -> IO a
die err = hPutStrLn stderr err >> exitFailure