Re: Loki SmartPtr questions

From: rogeeff (rogeeff_at_[hidden])
Date: 2002-01-12 10:49:59

--- In boost_at_y..., "David Abrahams" <david.abrahams_at_r...> wrote:
> 
> 
> > 1. Why the separate Storage and Ownership policies?
> > 
> > 2. How are threading issues addressed? I see RefCountedMT but it 
doesn't
> > have the proper "template <class> class OwnershipPolicy" 
signature so it
> > cannot be used, am I missing something?
> > 
> > 3. Why are GetImpl*, Reset, Release free friends and not members?
> 
> I can answer the last one. Andrei makes a good argument in MC++D:
> 
>        class Printer {
>             ...
>         public:
>             Release();
>        };
> 
>     SmartPtr<Printer,...> p(new Printer);
> 
>     ...
> 
>     p->Release(); // oops, meant p.Release() !
Yes, but I would make them friends to SmartPtr (instead of 
StoragePolicy)and include additional check implemented in 
CheckingPolicy in form like OnDirectAccess.

Gennadiy.