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

From: Alexander Shyrokov (shirokov_at_[hidden])
Date: 2006-09-14 12:49:31

David Abrahams <dave <at> boost-consulting.com> writes:
> And then there's the minor detail that you're not allowed to take the
> address of standard library (member) functions...  to be technically
> portable and correct, you need to write a wrapper, e.g.
> 
>    struct resize_vector_bool
>    {
>         template <class V, class N>
>         void operator()(V& v, N n) const
>         {
>              v.resize(n);
>         }
>    };
> 
> and then you can go back to using two arguments:
> 
>     std::for_each(
>          vec.begin(), vec.end()
>        , boost::bind( resize_vector_bool(), _1, 10));
> 

If I do it the correct way I get:
boost_1_33_1\boost\bind.hpp(63) : error C2039: 'result_type' : is not a member
of 'Geometry::resize_vector_bool'

I've tried to convert it into a function, but it did not help.

Why does that happen?

Thanks.