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Subject: Re: [boost] [Polygon] What does this error mean?
From: Fernando Cacciola (fernando.cacciola_at_[hidden])
Date: 2009-09-03 16:11:50


Steven Watanabe wrote:
> AMDG
>
> Thomas Klimpel wrote:
>> Thomas Klimpel wrote:
>>
>>> Fully qualifying the calls as I proposed is the correct solution for
>>> such ADL problems, IIRC.
>>>
>>
>> Even if the above statement should be true, my proposed fix still had
>> a potential ADL issue. I guess
>>
>> ::boost::polygon::set(lvalue, HORIZONTAL, get(rvalue, HORIZONTAL));
>> ::boost::polygon::set(lvalue, VERTICAL, get(rvalue, VERTICAL));
>>
>> is the correct fix, but check with an ADL expert to be sure.
>>
>
> Any qualification suppresses ADL. You don't need full qualification.
>

FWIW, so does wrapping the function name into parenthesis, as in:

   (set)(lvalue, HORIZONTAL, get(rvalue, HORIZONTAL));
   (set)(lvalue, VERTICAL, get(rvalue, VERTICAL));

I just pointed it out as that technique can be more usable than qualification.

Best

--
Fernando Cacciola
SciSoft Consulting, Founder
http://www.scisoft-consulting.com

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