Re: [boost] [variant] Breaking change introduced by variadic support

Subject: Re: [boost] [variant] Breaking change introduced by variadic support
From: Agustín K-ballo Bergé (kaballo86_at_[hidden])
Date: 2014-01-18 15:07:44

On 18/01/2014 04:10 p.m., Antony Polukhin wrote:
> 2014/1/18 Agustín K-ballo Bergé <kaballo86_at_[hidden]>
>
>> On 18/01/2014 02:32 p.m., Antony Polukhin wrote:
>>
>>> * users that use BOOST_VARIANT_LIMIT_TYPES won't get silent templates
>>> errors and will be able to take care about the issues.
>>>
>>> Any ideas about how to make transition smoother are welcomed!
>>>
>>
>> I will continue thinking about this. I find unfortunate that users are
>> forced to provide different codes for variadic and non-variadic cases.
>> Worse, the compilation errors do not point to `variant` at all, and one
>> would not usually suspect that a macro named `ENUM` does not enumerate
>> anymore.
>>
>
> And how about defining BOOST_VARIANT_LIMIT_TYPES to something like "To
> resolve this issue see following link [link to description of the problem
> and its possible fixes]"?
>

That would be a good last resort solution.

Regards,
-- 
Agustín K-ballo Bergé.-
http://talesofcpp.fusionfenix.com