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/*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman

    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 PHOENIX_FUNCTION_FUNCTION_HPP
#define PHOENIX_FUNCTION_FUNCTION_HPP

#include <boost/spirit/home/phoenix/core/compose.hpp>
#include <boost/spirit/home/phoenix/core/detail/function_eval.hpp>

namespace boost { namespace phoenix
{
    template <typename F>
    struct function
    {
        function() : f() {}
        function(F const& f_) : f(f_) {}

        actor<typename as_composite<detail::function_eval<0>, F>::type>
        operator()() const
        {
            return compose<detail::function_eval<0> >(f);
        }

        template <typename A0>
        actor<typename as_composite<detail::function_eval<1>, F, A0>::type>
        operator()(A0 const& _0) const
        {
            return compose<detail::function_eval<1> >(f, _0);
        }

        template <typename A0, typename A1>
        actor<typename as_composite<detail::function_eval<2>, F, A0, A1>::type>
        operator()(A0 const& _0, A1 const& _1) const
        {
            return compose<detail::function_eval<2> >(f, _0, _1);
        }

        //  Bring in the rest of the function call operators
        #include <boost/spirit/home/phoenix/function/detail/function_call.hpp>

        F f;
    };
}}

#endif