Re: [Boost-users] Implementing copy_if using boost::lambda

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-07-31 10:22:01

Minkoo Seo wrote:

>    vector<int> vi2;
> 
>    for_each(vi.begin(), vi.end(),
>             if_then(_1 == 1, vi2.push_back(_1)));

> Does anybody know how to push _1 into vi2? I've tried bind( ), but no
> luck.

bind( &std::vector<int>::push_back, &vi2, _1 ) should work.