Re: [Boost-users] boost::serialization - Non intrusive serialization of user-defined members?

Subject: Re: [Boost-users] boost::serialization - Non intrusive serialization of user-defined members?
From: Robert Ramey (ramey_at_[hidden])
Date: 2018-03-05 16:52:39

On 3/5/18 8:36 AM, Lars Ruoff via Boost-users wrote:
> Maybe i didn't express it clearly enough.
> I want non-intrusive serialization.
> I want to modify neither ContqinerClass, nor MemberClass.
> (Both are just custom classes, no link with STL containers. I just 
> wanted to express that Container contains an instance of Member)
> 
> So how can i write
> ar & c.special_member;
> since there is no serialize member function for this class?

That's the problem.  the type of c.special_member must be serializable. 
If it's not already, you have to make it serializable by writing your 
own serialize function for it.  It can be either intrusive or 
non-intrusive - doesn't matter.  But it has to be there.  The versioning 
of type type of special_member is handled in the serialization of that type.