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/*=============================================================================
Copyright (c) 2007 Tobias Schwinger
Use modification and distribution are subject to 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_FUNCTIONAL_VALUE_FACTORY_HPP_INCLUDED
# ifndef BOOST_PP_IS_ITERATING
# include <boost/preprocessor/iteration/iterate.hpp>
# include <boost/preprocessor/repetition/enum_params.hpp>
# include <boost/preprocessor/repetition/enum_binary_params.hpp>
# include <new>
# include <boost/pointee.hpp>
# include <boost/none_t.hpp>
# include <boost/get_pointer.hpp>
# include <boost/non_type.hpp>
# include <boost/type_traits/remove_cv.hpp>
# ifndef BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY
# define BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY 10
# elif BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY < 3
# undef BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY
# define BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY 3
# endif
namespace boost
{
template< typename T >
class value_factory;
//----- ---- --- -- - - - -
template< typename T >
class value_factory
{
public:
typedef T result_type;
value_factory()
{ }
# define BOOST_PP_FILENAME_1 <boost/functional/value_factory.hpp>
# define BOOST_PP_ITERATION_LIMITS (0,BOOST_FUNCTIONAL_VALUE_FACTORY_MAX_ARITY)
# include BOOST_PP_ITERATE()
};
template< typename T > class value_factory<T&>;
// forbidden, would create a dangling reference
}
# define BOOST_FUNCTIONAL_VALUE_FACTORY_HPP_INCLUDED
# else // defined(BOOST_PP_IS_ITERATING)
# define N BOOST_PP_ITERATION()
# if N > 0
template< BOOST_PP_ENUM_PARAMS(N, typename T) >
# endif
inline result_type operator()(BOOST_PP_ENUM_BINARY_PARAMS(N,T,& a)) const
{
return result_type(BOOST_PP_ENUM_PARAMS(N,a));
}
# undef N
# endif // defined(BOOST_PP_IS_ITERATING)
#endif // include guard
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