Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2007 Tobias Schwinger
Chris@16:   
Chris@16:     Use modification and distribution are subject to the Boost Software 
Chris@16:     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:     http://www.boost.org/LICENSE_1_0.txt).
Chris@16: ==============================================================================*/
Chris@16: 
Chris@16: #ifndef BOOST_FUNCTIONAL_VALUE_FACTORY_HPP_INCLUDED
Chris@16: #   ifndef BOOST_PP_IS_ITERATING
Chris@16: 
Chris@16: #     include <boost/preprocessor/iteration/iterate.hpp>
Chris@16: #     include <boost/preprocessor/repetition/enum_params.hpp>
Chris@16: #     include <boost/preprocessor/repetition/enum_binary_params.hpp>
Chris@16: 
Chris@16: #     include <new>
Chris@16: #     include <boost/pointee.hpp>
Chris@16: #     include <boost/get_pointer.hpp>
Chris@16: #     include <boost/non_type.hpp>
Chris@16: #     include <boost/type_traits/remove_cv.hpp>
Chris@16: 
Chris@16: #     ifndef BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY
Chris@16: #       define BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY 10
Chris@16: #     elif BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY < 3
Chris@16: #       undef  BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY
Chris@16: #       define BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY 3
Chris@16: #     endif
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16:     template< typename T >
Chris@16:     class value_factory;
Chris@16: 
Chris@16:     //----- ---- --- -- - -  -   -
Chris@16: 
Chris@16:     template< typename T >
Chris@16:     class value_factory
Chris@16:     {
Chris@16:       public:
Chris@16:         typedef T result_type;
Chris@16: 
Chris@16:         value_factory()
Chris@16:         { }
Chris@16: 
Chris@16: #     define BOOST_PP_FILENAME_1 <boost/functional/value_factory.hpp>
Chris@16: #     define BOOST_PP_ITERATION_LIMITS (0,BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY)
Chris@16: #     include BOOST_PP_ITERATE()
Chris@16:     };
Chris@16: 
Chris@16:     template< typename T > class value_factory<T&>;
Chris@16:     // forbidden, would create a dangling reference
Chris@16: }
Chris@16: #     define BOOST_FUNCTIONAL_VALUE_FACTORY_HPP_INCLUDED
Chris@16: #   else // defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: #     define N BOOST_PP_ITERATION()
Chris@16: #     if N > 0
Chris@16:     template< BOOST_PP_ENUM_PARAMS(N, typename T) >
Chris@16: #     endif
Chris@16:     inline result_type operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a)) const
Chris@16:     {
Chris@16:         return result_type(BOOST_PP_ENUM_PARAMS(N,a));
Chris@16:     }
Chris@16: #     undef N
Chris@16: 
Chris@16: #   endif // defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: #endif // include guard
Chris@16: