> > Maybe it's a minor point, but I think the !! is really
> ugly. Have you
> > considered the safe_bool idiom that's used in some other Boost
> > libraries? (smart_ptr to name one.)
> >
> Yes, I did.
> safe_bool (among other alternatives) was rejected because of
> the following
> (this specific point is explained in detail on the documentation)
>
> void foo()
> {
> optional<bool> opt = get_some();
> bool is_it = opt;
> }
Did you consider to provide bool specialization that does not have safe_bool
convertion and allowing it for all other types?
Gennadiy.
_______________________________________________
Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
