Re: [boost] An attempt to generalize the Pimpl idom with properlyseparated interface and implementation

From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-10-11 07:12:05

Phil Endecott:

> Vladimir Batov wrote:
>> Given I've been using this Pimpl idiom quite extensively lately I've 
>> noticed
>> writing the same scaffolding over and over again.
>
> Maybe we need something with a mixture of features from scoped_ptr and
> shared_ptr.  scoped_ptr does everything that I need for a pimpl, except
> that it can't delete the incomplete implementation type.  shared_ptr
> can delete the incomplete implementation, but it has the unneeded
> overhead of reference counting and thread safety issues.  So, can the
> incomplete deletion feature of shared_ptr be extracted and added to
> scoped_ptr?  I have just had a quick look at the shared_ptr
> implementation to see how deletion works, but it's too clever for me to 
> understand....

Alan Griffiths has written a similar smart pointer, arg::grin_ptr:

http://www.octopull.demon.co.uk/arglib/TheGrin.html