vector/aux_/clear.hpp

0001
0002 #ifndef BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
0003 #define BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2000-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/clear_fwd.hpp>
0018 #include <boost/mpl/vector/aux_/vector0.hpp>
0019 #include <boost/mpl/vector/aux_/tag.hpp>
0020 #include <boost/mpl/aux_/config/typeof.hpp>
0021 #include <boost/mpl/aux_/config/ctps.hpp>
0022
0023 namespace boost { namespace mpl {
0024
0025 #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
0026
0027 template<>
0028 struct clear_impl< aux::vector_tag >
0029 {
0030     template< typename Vector > struct apply
0031     {
0032         typedef vector0<> type;
0033     };
0034 };
0035
0036 #else
0037
0038 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
0039
0040 template< long N >
0041 struct clear_impl< aux::vector_tag<N> >
0042 {
0043     template< typename Vector > struct apply
0044     {
0045         typedef vector0<> type;
0046     };
0047 };
0048
0049 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
0050
0051 #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
0052
0053 }}
0054
0055 #endif // BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED