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Subject: Re: [boost] boost::bind result type
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-07-20 20:16:29


Daniel Walker wrote:
> Actually, I just looked into it, and this wasn't as hard as I thought.
> So, I can be a little more specific about the needed changes. As a
> proof of concept, I have attached a patch that allows the following
> where the bind object is stored directly by boost::function without
> type erasure.
> #include <functional>
> #include <boost/function.hpp>
> #include <boost/bind.hpp>
> int main()
> {
> using namespace boost;
> function<
> bind_signature(std::plus<int>,boost::arg<1>,int)
> > f = bind(std::plus<int>(), _1, 1);
> }

If you're going to specify all the parameters of the
bind expression in the type of the boost::function, you'd
be better off just having a metafunction for deducing the
return type of bind.

In Christ,
Steven Watanabe

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