Re: [Boost-users] [serialization] skipping data

From: Joel de Guzman (joel_at_[hidden])
Date: 2006-07-10 11:20:31

Robert Ramey wrote:

> And here's another idea.
> 
> create an archive adaptor which takes any archive and replaces
> its loading of primitives to something that just throws them away.
> 
> so at some point one would try
> 
> load(Archive & ar, Y & y,  const unsigned version){
>     ar >> x;
>     if(version == 1){
>         dummy_archive<Archive> da(ar);
>         da >>y;
>     }
>     ar >> z;
> }
> 
> I havn't written documentation on archive adaptor but
> polymorphic_?archives are examples of such a thing.

Clever! But again, what if Y is already obsolete at version 2?

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net