Boost logo

Boost Users :

From: Roman Krylov (Roman.Krylov_at_[hidden])
Date: 2005-06-30 10:54:41


Brian Allison wrote:

>... for_each(src.begin(), src.end(),
> if_then( bind<bool>(&vector<Rec*>::empty, &var(dst)),
> bind<void>(&vector<Rec*>::push_back, &var(dst),
>_1) ) );
>
>
isn't it equal to:

    if(dst.empty()) { dst.push_back(src.front()); }

? The sample is for training purposes?

> for_each(src.begin(), src.end(),
> if_then(bind<bool>(&vector<Rec*>::empty, &var(dst)),
> (&var(dst) ->* &vector<Rec*>::push_back)(_1)
> )
> );
>
>
In either previous and in this case mere '&dst' should be used instead
of '&var(dst)' without '(_1)' perhaps.


Boost-users list run by williamkempf at hotmail.com, kalb at libertysoft.com, bjorn.karlsson at readsoft.com, gregod at cs.rpi.edu, wekempf at cox.net