From: David B. Held (dheld_at_[hidden])
Date: 2002-04-19 00:30:27
"Andrei Alexandrescu" <andrewalex_at_[hidden]> wrote in message
news:a9o8g4$em0$1_at_main.gmane.org...
> [...]
> There are two ways to redesign:
>
> (1) we add a template parameter "Base" to two policies and we build a
> linear hierarchy;
>
> (2) we assume that StoragePolicy always stores state so we store it as
> a member inside SmartPtr. Then, we assume the CheckingPolicy doesn't
> ever store any state and defines only static functions, so we don't
> store it anywhere nor derive from it. Finally, we assume that
> OwnershipPolicy may or may not store state so we derive (solely) from
> it.
I like the sound of version 2. ;) I might even be able to hack it.
While I understand how version 1 works in principle, I'm not sure
I could write a good implementation. Do you plan to rewrite
SmartPtr for Loki as well? If so, I'll stop messing with my version,
and wait for the new version.
Dave