[boost] Re: The wonders of shared_ptr

From: AlisdairM (alisdair.meredith_at_[hidden])
Date: 2003-12-11 07:59:51

"Peter Dimov" <pdimov_at_[hidden]> wrote in
news:009d01c3bfde$695b1e50$1d00a8c0_at_pdimov2: 

> It is not the virtual destructor overhead that is important, it is the
> protected access. It means that the user can't delete a pointer to the
> base class.

Yes, that is the real point of the protected destructor idiom.  Until now I 
hadn't realised shared_ptr allowed us to circumvent it!

> Have you read
> 
>     http://www.boost.org/libs/smart_ptr/sp_techniques.html

<blush>
OK, I'll admit the last time I took a good read of the shared_ptr docs was 
before the deleter was added.  I hadn't realized quite how much it had 
transformed the class.

Thanks for the pointer.

AlisdairM