Re: [boost] [fusion/range] rev 40506 broke xpressive

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2007-10-31 17:56:44

Beman Dawes skrev:
> Thorsten Ottosen wrote:
>>> I guess you're right, but is it not true that the code will often not 
>>> compile since the function names have changed.?
>>>
>>> Anyway, if people agree, I don't mind keeping the three headers above.
>>>
>> Do peole agree with Eric?
> 
> What I'm doing with Boost.System and Boost.Filesystem is provide 
> existing names as deprecated synonyms, wrapped in an #ifdef. For example:
> 
> # ifndef BOOST_SYSTEM_NO_DEPRECATED
>      //  deprecated synonyms
>      static const error_category &  errno_ecat  = get_posix_category();
>      static const error_category &  native_ecat = get_system_category();
> # endif
> 
> That allows current code to keep working, but puts users on notice these 
> synonyms will go away.
> 
> I'm not familiar enough with the range case to know for sure, but if it 
> doesn't hurt anything, why not protect the existing code and allow a 
> transition period?

I've added the headers again.

-Thorsten