williamr@4: # /* Copyright (C) 2001
williamr@4: #  * Housemarque Oy
williamr@4: #  * http://www.housemarque.com
williamr@4: #  *
williamr@4: #  * Distributed under the Boost Software License, Version 1.0. (See
williamr@4: #  * accompanying file LICENSE_1_0.txt or copy at
williamr@4: #  * http://www.boost.org/LICENSE_1_0.txt)
williamr@4: #  */
williamr@4: #
williamr@4: # /* Revised by Paul Mensonides (2002) */
williamr@4: #
williamr@4: # /* See http://www.boost.org for most recent version. */
williamr@4: #
williamr@4: # ifndef BOOST_PREPROCESSOR_LIST_CAT_HPP
williamr@4: # define BOOST_PREPROCESSOR_LIST_CAT_HPP
williamr@4: #
williamr@4: # include <boost/preprocessor/cat.hpp>
williamr@4: # include <boost/preprocessor/config/config.hpp>
williamr@4: # include <boost/preprocessor/list/adt.hpp>
williamr@4: # include <boost/preprocessor/list/fold_left.hpp>
williamr@4: #
williamr@4: # /* BOOST_PP_LIST_CAT */
williamr@4: #
williamr@4: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@4: #    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))
williamr@4: # else
williamr@4: #    define BOOST_PP_LIST_CAT(list) BOOST_PP_LIST_CAT_I(list)
williamr@4: #    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))
williamr@4: # endif
williamr@4: #
williamr@4: # define BOOST_PP_LIST_CAT_O(d, s, x) BOOST_PP_CAT(s, x)
williamr@4: #
williamr@4: # /* BOOST_PP_LIST_CAT_D */
williamr@4: #
williamr@4: # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
williamr@4: #    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))
williamr@4: # else
williamr@4: #    define BOOST_PP_LIST_CAT_D(d, list) BOOST_PP_LIST_CAT_D_I(d, list)
williamr@4: #    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))
williamr@4: # endif
williamr@4: #
williamr@4: # endif