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1 # /* **************************************************************************\r
2 #  *                                                                          *\r
3 #  *     (C) Copyright Paul Mensonides 2003.\r
4 #  *     Distributed under the Boost Software License, Version 1.0. (See\r
5 #  *     accompanying file LICENSE_1_0.txt or copy at\r
6 #  *     http://www.boost.org/LICENSE_1_0.txt)\r
7 #  *                                                                          *\r
8 #  ************************************************************************** */\r
9 #\r
10 # /* See http://www.boost.org for most recent version. */\r
11 #\r
12 # ifndef BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP\r
13 # define BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP\r
14 #\r
15 # include <boost/preprocessor/cat.hpp>\r
16 # include <boost/preprocessor/facilities/is_empty.hpp>\r
17 #\r
18 # /* BOOST_PP_IS_1 */\r
19 #\r
20 # define BOOST_PP_IS_1(x) BOOST_PP_IS_EMPTY(BOOST_PP_CAT(BOOST_PP_IS_1_HELPER_, x))\r
21 # define BOOST_PP_IS_1_HELPER_1\r
22 #\r
23 # endif\r