#ifndef BASES_DWA2002321_HPP

# define BASES_DWA2002321_HPP

# include <boost/python/detail/prefix.hpp>

# include <boost/type_traits/object_traits.hpp>

# include <boost/python/detail/type_list.hpp>

# include <boost/mpl/if.hpp>

# include <boost/mpl/bool.hpp>

# include <boost/preprocessor/enum_params_with_a_default.hpp>

# include <boost/preprocessor/enum_params.hpp>

namespace boost { namespace python {

# define BOOST_PYTHON_BASE_PARAMS BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, Base)

// A type list for specifying bases

template < BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PYTHON_MAX_BASES, typename Base, mpl::void_) >

struct bases : detail::type_list< BOOST_PYTHON_BASE_PARAMS >::type

{};

namespace detail

{

# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

template <class T> struct specifies_bases

: mpl::false_

{

};

template < BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, class Base) >

struct specifies_bases< bases< BOOST_PYTHON_BASE_PARAMS > >

: mpl::true_

{

};

# else

template < BOOST_PP_ENUM_PARAMS(BOOST_PYTHON_MAX_BASES, class Base) >

static char is_bases_helper(bases< BOOST_PYTHON_BASE_PARAMS > const&);

static char (& is_bases_helper(...) )[256];

template <class T>

struct specifies_bases

};

# endif

template <class T, class Prev = bases<> >

struct select_bases

};

}

# undef BOOST_PYTHON_BASE_PARAMS

}} // namespace boost::python

#endif // BASES_DWA2002321_HPP