On Feb 7, 2008 7:32 AM, Uwe Hollerbach <[EMAIL PROTECTED]> wrote: > > pure_fn :: Integer -> String > > pure_fn n = calendarTimeToString (toUTCTime (TOD n 0)) > > > > make_wicked :: String -> IO String > > make_wicked str = return str > > > > -- use of make_wicked > > main = (make_wicked (pure_fn 1234567890)) >>= putStrLn > > OK, after all that, my original question, in terms of this example: > "the IO monad is one-way" is equivalent to saying there is no haskell > function that I could write that would take > > > (make_wicked (pure_fn 123456)) > > and make it into something that could be used in the same way and the > same places as just plain > > > (pure_fn 123456) > > ?
Spot on! Luke _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
