Re: iostream question

[Phil Edwards <phil at jaj dot com>]

On Wed, Oct 16, 2002 at 08:52:53PM -0400, Robert Schweikert wrote:
> OK,
> 
> Are you saying I can no longer forward declare an ostream?

Yes, but you don't want to forward declare an ostream anymore.

    class ostream;

isn't legal, because it doesn't match the real ostream.


> That would mean that for a declaration like so
> 
> ostream& operator<< (ostream&, const myClass);
> 
> I have to include the iostream header file in my header file. That seems
> odd. There's got to be a better way.

There is, called <iosfwd>.  All the I/O classes, forward declared.


Phil

-- 
I would therefore like to posit that computing's central challenge, viz. "How
not to make a mess of it," has /not/ been met.
                                                 - Edsger Dijkstra, 1930-2002