Serialization + semantics of toString

[aarti_pl]

Bill Baxter Wrote:

> On Fri, Nov 13, 2009 at 12:13 AM, aarti_pl <aarti_no_spam_ at interia.pl> wrote:
> > Andrei Alexandrescu Wrote:
> >
> > Additionally I would like to mention that there is also great BinaryArchive from Bill Baxter, which I didn't mention in my first post.
> 
> There is?  Completely forgot about that.
> 
> If I recall the big wish list item I had for your serializer was
> robust subclass handling for things like serializing a BaseClass[]
> with a mix of pointers to BaseClass and DerivedClass.  You need to be
> able to de-serialize that by saying something like
> unserialize!(BaseClass[]).  I think at the time I tried it, your
> serializer didn't save enough info to know the proper derived class to
> load up.
> 
> --bb

This is still missing. The problem I had is that template functions are not virtual, so I can not get derived class which should be dumped. But I think it can be doable: just needs some more time and thinking. Now typeid() gives type of most derived class, so maybe this is a way?