Re: [Boost-users] Boost Serialization + Forward compatibility [was Re: boost::serialization and PHP websites]

Subject: Re: [Boost-users] Boost Serialization + Forward compatibility [was Re: boost::serialization and PHP websites]
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-05-31 23:54:03

AMDG

Robert Ramey wrote:
> Sohail Somani wrote:
>   
>> Just typing out loud: Forward compatibility is the ability to load an
>> archive with a version of 4 into an application with a version of 3.
>>     
>
> To me forward compatability is he ability to create a version 3 archive
> with a version 4 program.  Hmmm - now that I read that, it doesn't
> look right. I guess that should be called "complete" backward
> compatibility.  I don't see how it is possible while writing version
> 3 progam to know what version 4 is going to save.
>   

It would be possible in special cases.  For example, the
version 4 archive could add information that the version
3 program knows to skip somehow.

In Christ,
Steven Watanabe