Re: [Boost-users] [repost][serialization] version handling in{save|load}_construct_data

Subject: Re: [Boost-users] [repost][serialization] version handling in{save|load}_construct_data
From: Robert Ramey (ramey_at_[hidden])
Date: 2010-01-10 17:26:42

JOAQUIN M. LOPEZ MUÑOZ wrote:
> ________________________________________
> De: boost-users-bounces_at_[hidden]
> [boost-users-bounces_at_[hidden]] En nombre de Robert Ramey
> [ramey_at_[hidden]]
> Enviado el: domingo, 10 de enero de 2010 20:22
> Para: boost-users_at_[hidden]
> Asunto: Re: [Boost-users] [repost][serialization] version handling
> in{save|load}_construct_data
>>
>> I investigated a little bit more.  Seems that save/load_construct
>> data needs the version # and there is no place else to get it.
>
> Why can't you directly use serialization::version<T>::value?

You can't do this on load because you want the the version under
which it is saved - NOT the current one

>This is
> for instance what you're doing at lines 51 and following of
> boost/serialization/hash_collections_save_imp.hpp.

For save - this is correct.

For load it isn't

Robert Ramey

>
> Joaquín M López Muñoz
> Telefónica, Investigación y Desarrollo