Re: [Boost-users] trouble with bind+signals

From: Brendan Miller (catphive.lists_at_[hidden])
Date: 2006-07-09 20:34:42

Thanks, the new header fixed my problem.

On 7/9/06, Peter Dimov <pdimov_at_[hidden]> wrote:
>
> Brendan Miller wrote:
> > I'm relatively new to the boost library and I'm having a problem with
> > boost::signals and bind. I've reproduced the problem I'm hitting
> > here.
> >
> > c++:
> > typedef boost::signal <LRESULT (ISigSource &, LPCREATESTRUCT)>
> > SigWMCreate;
> > SigWMCreate sig;
> > LPARAM x;
> >
> > boost::bind(boost::ref(sig), boost::ref(*this),
> _1)((LPCREATESTRUCT)(x));
>
> [...]
>
> > My guess is that performing the cast creates an intermediary result
> > that I'm not allowed to take a reference of. Is this the case?
>
> You are right. A fix for this problem is available in the 1.34 branch and
> will be part of the next release; in the meantime, you can try replacing
> boost/bind/bind_template.hpp with this version:
>
>
> http://boost.cvs.sourceforge.net/boost/boost/boost/bind/bind_template.hpp?revision=1.7&view=markup
>
> and see whether this helps.
>
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