Copy constructor revisited

[Robert Schweikert]

On Thu, 2004-04-22 at 11:30, Nathan Sidwell wrote:
> Robert Schweikert wrote:
> > I have another question about the copy ctor accessibility requirement
> > and the changes in 3.4.
> > 
> > I pretty much understand the requirements and interpretation of the
> > Standard w.r.t. private copy ctor usage. As it pertains to the example
> > on http://gcc.gnu.org/gcc-3.4/changes.html
> > 
> > However, what happens with a protected copy ctor and access of that ctor
> > by its derived class?
> 
> > B can access the copy ctor of A since it is protected and not private
> > and B is a derived class of A.


> Only for those A's that are bases of the B' member's this pointer.

Say what?

> 
> > Yet trying to compile this code yields an
> > error:


> because it is for a copy of not-a-base-of-a-B

Don't get this either.

Nathan,

Could you please be more explicit in your explanation? I appreciate the
answer, unfortunately I am completely lost trying to understand what it
means.

Thanks,
Robert

> 
> nathan
-- 
Robert Schweikert <Robert.Schweikert@abaqus.com>
ABAQUS