Re: [boost] Re: MPL - mpl::sequence to std::sequence

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2004-10-10 12:57:13

David Abrahams writes:
> "Peter Dimov" <pdimov_at_[hidden]> writes:
>
>> David Abrahams wrote:
>>> Terje Slettebø <tslettebo_at_[hidden]> writes:
>>>
>>>> //    int_vector r_list = to_runtime<c_list>();
>>>>
>>>>     int_vector r_list;
>>>>
>>>>     boost::mpl::for_each<c_list>(to_sequence<int_vector>(r_list));
>>>
>>> Better yet:
>>>
>>>    int_vector r_list;
>>>    boost::mpl::for_each<c_list>(std::back_inserter(r_list));
>>>
>>> Enjoy ;-)
>>
>> Um, how does this work? back_inserter returns an iterator, not a
>> function object; is there some magic in mpl::for_each that I can't
>> see? Maybe I'm looking at the wrong version? 
>
> No, I'm just an idiot :(.
> Please ignore my post.

This should work, though:

    int_vector r_list;
    boost::mpl::for_each<c_list>( boost::bind(&int_vector::push_back, &r_list, _1) );

-- 
Aleksey Gurtovoy
MetaCommunications Engineering