Re: [Boost-Users] Re: boost::lambda::select2nd

From: Peter Dimov (pdimov_at_[hidden])
Date: 2003-06-25 06:19:42

Markus Werle wrote:
> Jaakko Jarvi wrote:
>
>
>>   std::for_each(M.begin(), M.end(),
>>   std::cout << l::bind(select2nd(), l::_1) << " ");
>
> Well, that's too complicated ;-)
> _binding_ to a function or functor is the approach
> I wanted to avoid.

I have to repeat my usual advice here, use the correct algorithm (even if
it's not standard).

template<class It, class F> void for_each_pair(It first, It last, F f)
{
    for(; first != last; ++first) f(first->first, first->second);
}

for_each_pair(m.begin(), m.end(), std::cout << _2 << " ");