// Copyright David Abrahams 2005. Distributed under the Boost

// Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP

# define BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP

# include <boost/utility/result_of.hpp>

// A metafunction returning the result of invoking a nullary function

// object of the given type.

#ifndef BOOST_NO_RESULT_OF

# include <boost/utility/result_of.hpp>

namespace boost { namespace parameter { namespace aux { 

template <class F>

struct result_of0 : result_of<F()>

{};

}}} // namespace boost::parameter::aux_

#else

namespace boost { namespace parameter { namespace aux { 

template <class F>

struct result_of0

{

    typedef typename F::result_type type;

};

}}} // namespace boost::parameter::aux_

#endif 

#endif // BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP