Subj : Re: class declaration help
To   : borland.public.cpp.borlandcpp
From : "Ed Mulroy [TeamB]" <dont_email_me@bitbuck.et>
Date : Fri Oct 03 2003 04:39 pm

> FYI, those are called "forward" declarations.

The error you receive after using that "forward declaration" as a type
parameter in a templated class or function definition prior to the full
definition will quickly show you that it is an "incomplete declaration".

That is why I prefer to call it an incomplete declaration.

..  Ed

> Jeff Kish wrote in message
> news:fe6rnv4dkh7plt6j2m9809eg37cgoinrcv@4ax.com...
> >
> >>Ed Mulroy wrote in message
> >>news:3f4f3df8$1@newsgroups.borland.com...
> >> You can use an incomplete declaration which identifies B
> >> as the name of a class type.
> >>
> >> For instance:
> >>
> >>  --------------------
> >>  class B;
> >>
> >>  class A{
> >>  public:
> >>    A();
> >>    void Print(B b);
> >>    int x;
> >>  };
> >>
> >>  class B{
> >>    void Multiply(A a);
> >>    int r;
> >>  };
> >>
> >>  --------------------
> <snip>
> FYI, those are called "forward" declarations.

.