Re: [boost] [Polygon] What does this error mean?

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