exitFailure package:rio

exitFailure :: MonadIO m => m a
rio RIO
Lifted version of "System.Exit.exitFailure". @since 0.1.9.0.
ExitFailure :: Int -> ExitCode
rio RIO
indicates program failure with an exit code. The exact interpretation of the code is operating-system dependent. In particular, some values may be prohibited (e.g. 0 on a POSIX-compliant system).