Re: [boost] Question regarding usage of scoped_ptr and PIMPL

From: Daniel Wallin (dalwan01_at_[hidden])
Date: 2004-03-02 14:15:59

Robert Ramey wrote:
> The follow little example illustrates an issue I have with scoped_ptr.  I
> would like to use this to automatically manage destruction of a pointer to
> and undefined class.  It seems that scope_ptr is instantiating its
> destructor "too early" and complaining about incomplete type for b;
> 
> In my view, this should not occur as ~a() isn't defined yet.
> 
> The following example fails on vc 7.1 and gcc 3.2 
> 
> Note that shared_ptr works as one would hope in this context.  Is there
> anyway to adjust scoped_ptr to work here?

IMO this isn't something scoped_ptr should do. There's to much overhead
associated with capturing the type at construction.

I proposed something for exactly this purpose a while ago:

   http://lists.boost.org/MailArchives/boost/msg57577.php

And I believe Peter Dimov has something similar in the files section.

-- 
Daniel Wallin