Daniel Fischer <[EMAIL PROTECTED]> writes: >>> IO is important because you can't write any real program without using >>> it.
>> Ouch! I get awfully discouraged when I read statements like this >> one. > I think Lennart was referring to that, you HAVE to know a little IO to write > programmes, at least getArgs, getLine, putStr(Ln), readFile, writeFile, > appendFile. And therefore some use of the IO monad has to be taught > relatively early. Well, I guess you could get pretty far using 'interact' - far enough in an educational setting to do lists and Maybe, and then monads, before introducing monadic IO. -k -- If I haven't seen further, it is by standing in the footprints of giants _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
