Re: [boost] Re: Threads docs updated in CVS

From: Greg Colvin (gcolvin_at_[hidden])
Date: 2001-08-16 12:52:20

From: "Peter Dimov" <pdimov_at_[hidden]>
> From: <williamkempf_at_[hidden]>
> > Well, the preferred method shortens the pattern a little:
> >
> > {
> >    mutex::scoped_lock lock(m);
> >    cv.wait(lock, pred);
> >    action();
> > }
> 
> Yes; the real problem is that without Lambda, there is no simple way to
> define 'pred' in-place.
> 
> The perfect syntax would be
> 
> cv.wait(q.empty(), command = q.pop());
> 
> How close can we get within std C++ to it?

I should think that with expression templates you could get
very close.