Re: [Boost-users] Unable to work out a Composite predicate.

From: PJ Durai (pjdtech2000_at_[hidden])
Date: 2007-08-25 16:23:49

On 8/25/07, gast128 <gast128_at_[hidden]> wrote:
> PJ Durai <pjdtech2000 <at> gmail.com> writes:
>
> >
> > Hello everyone,
> >
> > remove_copy_if ( myEvents.begin(), myEvents.end(),
> >    back_inserter(newEvents),
> >    (boost::bind(&Event::GetEventType, _1) == NotesEventType_New)
> >    && (boost::bind(&Event::GetEventID, _1) == 1000 )  );
> >
> > I have tried various ways of putting parens around this expression. I
> > just couldn't get it to compile. Is that even possible ? Please
> > Advise.
>
> maybe this works:
>
> const std::vector<Event> v;
> std::vector<Event>       vOut;
>
> std::remove_copy_if(v.begin(), v.end(),
>                    back_inserter(vOut),
>                    boost::bind(std::logical_and<bool>(),
>                               (boost::bind(&Event::GetEventType, _1) == 0),
>                               (boost::bind(&Event::GetEventID, _1) == 1)));

That worked.  Thanks!

pj