Chris@16: 
Chris@16: #ifndef BOOST_MPL_VECTOR_AUX_EMPTY_HPP_INCLUDED
Chris@16: #define BOOST_MPL_VECTOR_AUX_EMPTY_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/empty_fwd.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/mpl/vector/aux_/tag.hpp>
Chris@16: #include <boost/mpl/aux_/config/typeof.hpp>
Chris@16: #include <boost/mpl/aux_/config/ctps.hpp>
Chris@16: #include <boost/type_traits/is_same.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
Chris@16: 
Chris@16: template<>
Chris@16: struct empty_impl< aux::vector_tag >
Chris@16: {
Chris@16:     template< typename Vector > struct apply
Chris@16:         : is_same<
Chris@16:               typename Vector::lower_bound_
Chris@16:             , typename Vector::upper_bound_
Chris@16:             >
Chris@16:     {
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: template<>
Chris@16: struct empty_impl< aux::vector_tag<0> >
Chris@16: {
Chris@16:     template< typename Vector > struct apply
Chris@16:         : true_
Chris@16:     {
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: template< long N >
Chris@16: struct empty_impl< aux::vector_tag<N> >
Chris@16: {
Chris@16:     template< typename Vector > struct apply
Chris@16:         : false_
Chris@16:     {
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_VECTOR_AUX_EMPTY_HPP_INCLUDED