Re: [Boost-users] [serialization] Can one serialize classes basedoffthe curiously-recursive template pattern (oranynon-polymorphic base)? (was: Re: Visual Studio 2008 +Boost1.35:runtime casting not working)

From: Robert Ramey (ramey_at_[hidden])
Date: 2008-07-16 14:07:33

Daryle Walker wrote:
> [Sent it through the wrong mail account again!]
>
> On Jul 16, 2008, at 4:13 AM, Robert Ramey wrote:
>
>> Daryle Walker wrote:
>>
>>> How strict is the requirement that a base class has to be
>>> polymorphically connected to the derived class?
>>
>> It's a fundamental requirement.  Without a vtable it just
>> won't work.
>
> This is only for channeling through a base-class pointer, right?
> Just the standard pointer won't check the final type w/o some sort of
> polymorphic connection (or brute force w/ static_cast).

correct

> So I'll just define serialization in every class in the hierarchy,
> and make sure each non-root class calls "ar &
> boost::serialization::base_object<BASE_TYPE>(*this)".  Can I use a
> typedef for the base type, or do I have to use the original name
> expression?
>
> Does this all work for any kind of base: non-polymorphic,
> polymorphic, virtual inheritance, and/or multiple inheritance?

yes

Robert Ramey