On 2004-11-22, Benjamin Franksen <[EMAIL PROTECTED]> wrote: > On Monday 22 November 2004 09:38, Adrian Hey wrote: >> You have yet to >> explain how you propose to deal with stdout etc.. > > I see absolutely no reason why stdxxx must or should be top-level mutable > objects. They can and should be treated in the same way as environment and > command line arguments, i.e. > > getArgs :: IO [String] > getEnv :: String -> IO String > getStdin, getStdout, getStderr :: IO Handle > > Note that (just like environment and command line arguments) these handles > may > refer to completely different things on different program runs.
Er, no. The handles can be considered as the same but _pointing_ to different things on different runs. Keeping them outside the IO monad, and only accessing them inside -- i.e. the current situation -- would be fine. They're not mutable in any sense. -- Aaron Denney -><- _______________________________________________ Haskell mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell
