Re: [boost] Re: Another safe_bool alternative?

From: Rob Stewart (stewart_at_[hidden])
Date: 2003-12-04 15:09:49

From: David Abrahams <dave_at_[hidden]>
> Rob Stewart <stewart_at_[hidden]> writes:
> >
> > I'm clearly missing something.  How can there be an address for
> > impl::x if there's no instance of impl?
> >
> A pointer to non-static member exists independently of an object.  You
> can bind it to an object and dereference it with 
> 
>     object.*pointer_to_member

This is where I say, "duh."  The required syntax to get the
address of a dm clearly requires no object.  As you say, it isn't
bound to an object until you use it.  I just never connected the
dots between the two before.

Thanks.

-- 
Rob Stewart                           stewart_at_[hidden]
Software Engineer                     http://www.sig.com
Susquehanna International Group, LLP  using std::disclaimer;