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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | /*==============================================================================
Copyright (c) 2001-2010 Joel de Guzman
Copyright (c) 2010 Eric Niebler
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_PHOENIX_FUNCTION_FUNCTION_HPP
#define BOOST_PHOENIX_FUNCTION_FUNCTION_HPP
//#include <boost/phoenix/function/function_handling.hpp>
#include <boost/phoenix/core/detail/function_eval.hpp>
#include <boost/preprocessor/facilities/expand.hpp>
#include <boost/preprocessor/logical/or.hpp>
#include <boost/utility/result_of.hpp>
namespace boost { namespace phoenix
{
/////////////////////////////////////////////////////////////////////////////
// Functions
/////////////////////////////////////////////////////////////////////////////
// functor which returns our lazy function call extension
template<typename F>
struct function
{
function() {}
function(F f)
: f(f)
{}
template <typename Sig>
struct result;
typename detail::expression::function_eval<F>::type const
operator()() const
{
return detail::expression::function_eval<F>::make(f);
}
// Bring in the rest
#include <boost/phoenix/function/detail/function_operator.hpp>
F f;
};
}
template<typename F>
struct result_of<phoenix::function<F>()>
: phoenix::detail::expression::function_eval<F>
{};
}
#endif
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