# /* Copyright (C) 2001

 #  * Housemarque Oy

 #  * http://www.housemarque.com

 #  *

 #  * Distributed under 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)

 #  */

 #

 # /* Revised by Paul Mensonides (2002) */

 #

 # /* See http://www.boost.org for most recent version. */

 #

 # ifndef BOOST_PREPROCESSOR_LIST_APPEND_HPP

 # define BOOST_PREPROCESSOR_LIST_APPEND_HPP

 #

 # include <boost/preprocessor/config/config.hpp>

 # include <boost/preprocessor/list/fold_right.hpp>

 #

 # /* BOOST_PP_LIST_APPEND */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

 #    define BOOST_PP_LIST_APPEND(a, b) BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_APPEND_O, b, a)

 # else

 #    define BOOST_PP_LIST_APPEND(a, b) BOOST_PP_LIST_APPEND_I(a, b)

 #    define BOOST_PP_LIST_APPEND_I(a, b) BOOST_PP_LIST_FOLD_RIGHT(BOOST_PP_LIST_APPEND_O, b, a)

 # endif

 #

 # define BOOST_PP_LIST_APPEND_O(d, s, x) (x, s)

 #

 # /* BOOST_PP_LIST_APPEND_D */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

 #    define BOOST_PP_LIST_APPEND_D(d, a, b) BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_APPEND_O, b, a)

 # else

 #    define BOOST_PP_LIST_APPEND_D(d, a, b) BOOST_PP_LIST_APPEND_D_I(d, a, b)

 #    define BOOST_PP_LIST_APPEND_D_I(d, a, b) BOOST_PP_LIST_FOLD_RIGHT_ ## d(BOOST_PP_LIST_APPEND_O, b, a)

 # endif

 #

 # endif