# /* 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_CAT_HPP

 # define BOOST_PREPROCESSOR_LIST_CAT_HPP

 #

 # include <boost/preprocessor/cat.hpp>

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

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

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

 #

 # /* BOOST_PP_LIST_CAT */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

 #    define BOOST_PP_LIST_CAT(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))

 # else

 #    define BOOST_PP_LIST_CAT(list) BOOST_PP_LIST_CAT_I(list)

 #    define BOOST_PP_LIST_CAT_I(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))

 # endif

 #

 # define BOOST_PP_LIST_CAT_O(d, s, x) BOOST_PP_CAT(s, x)

 #

 # /* BOOST_PP_LIST_CAT_D */

 #

 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()

 #    define BOOST_PP_LIST_CAT_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))

 # else

 #    define BOOST_PP_LIST_CAT_D(d, list) BOOST_PP_LIST_CAT_D_I(d, list)

 #    define BOOST_PP_LIST_CAT_D_I(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_CAT_O, BOOST_PP_LIST_FIRST(list), BOOST_PP_LIST_REST(list))

 # endif

 #

 # endif