preprocessor/array/to_tuple.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Edward Diener 2011.                                    *
0004 #  *     (C) Copyright Paul Mensonides 2011.                                  *
0005 #  *     Distributed under the Boost Software License, Version 1.0. (See      *
0006 #  *     accompanying file LICENSE_1_0.txt or copy at                         *
0007 #  *     http://www.boost.org/LICENSE_1_0.txt)                                *
0008 #  *                                                                          *
0009 #  ************************************************************************** */
0010 #
0011 # /* See http://www.boost.org for most recent version. */
0012 #
0013 # ifndef BOOST_PREPROCESSOR_ARRAY_TO_TUPLE_HPP
0014 # define BOOST_PREPROCESSOR_ARRAY_TO_TUPLE_HPP
0015 #
0016 # include <boost/preprocessor/array/data.hpp>
0017 # include <boost/preprocessor/array/size.hpp>
0018 # include <boost/preprocessor/control/if.hpp>
0019 #
0020 # /* BOOST_PP_ARRAY_TO_TUPLE */
0021 #
0022 #    define BOOST_PP_ARRAY_TO_TUPLE(array) \
0023         BOOST_PP_IF \
0024             ( \
0025             BOOST_PP_ARRAY_SIZE(array), \
0026             BOOST_PP_ARRAY_DATA, \
0027             BOOST_PP_ARRAY_TO_TUPLE_EMPTY \
0028             ) \
0029         (array) \
0030 /**/
0031 #    define BOOST_PP_ARRAY_TO_TUPLE_EMPTY(array)
0032 #
0033 # endif