Re: [boost] [serialization] Versioning (or lack thereof) inload_construct_data

From: Robert Ramey (ramey_at_[hidden])
Date: 2006-01-30 15:14:15

Looks like a bug to me. stack_construct doesn't pass the version number.
This would only show up in loading of collections and other places
where one uses stack_sonstruct.  It seems quite fixable to me.  I'll
look into it.

Robert Ramey

Ben Artin wrote:
> As far as I can tell, the version number passed into
> load_construct_data is not actually useful. This conclusion is based
> (among other things) on the fact that stack_construct (in
> serialization/detail/stack_constructor.hpp) always calls
> load_construct_data_adl with 0U for the version argument.
>
> This leads me to believe that in the current implementation if I
> specialize load_construct_data for one of my classes, I can never
> change it later, as the class version number from the input archive
> is inaccessible inside load_construct_data.
>
> Am I missing something obvious, or is it really the case that
> versioning doesn't work for load_construct_data right now?
>
> Thanks,
>
> Ben