Markus Schaaf wrote:
>
> "Ron Natalie" <ron@spamcop.net> wrote:
>
> > GACK.  The fact that a cast is necessary here is a big tipoff.  There's
> > no guarantee that this works.   Pointer to derived member is not necessarily
> > convertable to pointer to base member.
>
> That's a shame. It seems to me that this conversion is always
> possible. Am I missing something? Is this simply an omission
> in the standard or are there actually reasons to do so?

Not all derived members are part of the base class.  The reverse is true.

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