Re: [Boost-users] bind, and member function with a parameter

From: Alexander Shyrokov (shirokov_at_[hidden])
Date: 2006-09-13 16:52:20

Thanks! That solved the problem. Thanks a lot.

Peter Dimov wrote:

>> #include <vector>
>> #include <algorithm>
>> #include <boost/bind.hpp>
>>
>> int main(int argc, char **argv)
>> {
>> typedef std::vector<std::vector<bool> > T2Dimensional;
>> T2Dimensional vec;
>> std::for_each(vec.begin(),vec.end()
>> ,boost::bind(&std::vector<bool>::resize,_1,10));
>> return 0;
>> }
> 
> Your code is fine, sort of. The problem is that vector<>::resize takes two 
> arguments. The second one has a default, but this information is lost when 
> the pointer to member &std::vector<bool>::resize is taken. So you have to 
> pass a value for it.
> 
>     std::for_each(vec.begin(),vec.end()
>         ,boost::bind( &std::vector<bool>::resize, _1, 10, false ) );
-- 
Regards,
     Alexander.                http://sjcomp.com