1# /* Copyright (C) 2001
2# * Housemarque Oy
3# * http://www.housemarque.com
4# *
5# * Distributed under the Boost Software License, Version 1.0. (See
6# * accompanying file LICENSE_1_0.txt or copy at
7# * http://www.boost.org/LICENSE_1_0.txt)
8# */
9#
10# /* Revised by Paul Mensonides (2002) */
11#
12# /* See http://www.boost.org for most recent version. */
13#
14# ifndef BOOST_PREPROCESSOR_CAT_HPP
15# define BOOST_PREPROCESSOR_CAT_HPP
16#
17# include <boost/preprocessor/config/config.hpp>
18#
19# /* BOOST_PP_CAT */
20#
21# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
22# define BOOST_PP_CAT(a, b) BOOST_PP_CAT_I(a, b)
23# else
24# define BOOST_PP_CAT(a, b) BOOST_PP_CAT_OO((a, b))
25# define BOOST_PP_CAT_OO(par) BOOST_PP_CAT_I ## par
26# endif
27#
28# if (~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1700)
29# define BOOST_PP_CAT_I(a, b) a ## b
30# else
31# define BOOST_PP_CAT_I(a, b) BOOST_PP_CAT_II(~, a ## b)
32# define BOOST_PP_CAT_II(p, res) res
33# endif
34#
35# endif
36