text: # /* **************************************************************************
  #  *                                                                          *
  #  *     (C) Copyright Paul Mensonides 2002.
  #  *     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)
  #  *                                                                          *
  #  ************************************************************************** */
  #
  # /* See http://www.boost.org for most recent version. */
  #
  # include <boost/preprocessor/slot/detail/shared.hpp>
  #
  # undef BOOST_PP_SLOT_2
  #
  # undef BOOST_PP_SLOT_2_DIGIT_1
  # undef BOOST_PP_SLOT_2_DIGIT_2
  # undef BOOST_PP_SLOT_2_DIGIT_3
  # undef BOOST_PP_SLOT_2_DIGIT_4
  # undef BOOST_PP_SLOT_2_DIGIT_5
  # undef BOOST_PP_SLOT_2_DIGIT_6
  # undef BOOST_PP_SLOT_2_DIGIT_7
  # undef BOOST_PP_SLOT_2_DIGIT_8
  # undef BOOST_PP_SLOT_2_DIGIT_9
  # undef BOOST_PP_SLOT_2_DIGIT_10
  #
  # if BOOST_PP_SLOT_TEMP_10 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_10 0
  # elif BOOST_PP_SLOT_TEMP_10 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_10 1
  # elif BOOST_PP_SLOT_TEMP_10 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_10 2
  # elif BOOST_PP_SLOT_TEMP_10 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_10 3
  # elif BOOST_PP_SLOT_TEMP_10 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_10 4
  # elif BOOST_PP_SLOT_TEMP_10 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_10 5
  # elif BOOST_PP_SLOT_TEMP_10 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_10 6
  # elif BOOST_PP_SLOT_TEMP_10 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_10 7
  # elif BOOST_PP_SLOT_TEMP_10 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_10 8
  # elif BOOST_PP_SLOT_TEMP_10 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_10 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_9 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_9 0
  # elif BOOST_PP_SLOT_TEMP_9 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_9 1
  # elif BOOST_PP_SLOT_TEMP_9 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_9 2
  # elif BOOST_PP_SLOT_TEMP_9 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_9 3
  # elif BOOST_PP_SLOT_TEMP_9 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_9 4
  # elif BOOST_PP_SLOT_TEMP_9 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_9 5
  # elif BOOST_PP_SLOT_TEMP_9 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_9 6
  # elif BOOST_PP_SLOT_TEMP_9 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_9 7
  # elif BOOST_PP_SLOT_TEMP_9 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_9 8
  # elif BOOST_PP_SLOT_TEMP_9 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_9 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_8 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_8 0
  # elif BOOST_PP_SLOT_TEMP_8 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_8 1
  # elif BOOST_PP_SLOT_TEMP_8 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_8 2
  # elif BOOST_PP_SLOT_TEMP_8 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_8 3
  # elif BOOST_PP_SLOT_TEMP_8 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_8 4
  # elif BOOST_PP_SLOT_TEMP_8 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_8 5
  # elif BOOST_PP_SLOT_TEMP_8 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_8 6
  # elif BOOST_PP_SLOT_TEMP_8 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_8 7
  # elif BOOST_PP_SLOT_TEMP_8 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_8 8
  # elif BOOST_PP_SLOT_TEMP_8 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_8 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_7 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_7 0
  # elif BOOST_PP_SLOT_TEMP_7 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_7 1
  # elif BOOST_PP_SLOT_TEMP_7 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_7 2
  # elif BOOST_PP_SLOT_TEMP_7 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_7 3
  # elif BOOST_PP_SLOT_TEMP_7 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_7 4
  # elif BOOST_PP_SLOT_TEMP_7 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_7 5
  # elif BOOST_PP_SLOT_TEMP_7 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_7 6
  # elif BOOST_PP_SLOT_TEMP_7 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_7 7
  # elif BOOST_PP_SLOT_TEMP_7 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_7 8
  # elif BOOST_PP_SLOT_TEMP_7 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_7 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_6 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_6 0
  # elif BOOST_PP_SLOT_TEMP_6 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_6 1
  # elif BOOST_PP_SLOT_TEMP_6 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_6 2
  # elif BOOST_PP_SLOT_TEMP_6 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_6 3
  # elif BOOST_PP_SLOT_TEMP_6 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_6 4
  # elif BOOST_PP_SLOT_TEMP_6 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_6 5
  # elif BOOST_PP_SLOT_TEMP_6 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_6 6
  # elif BOOST_PP_SLOT_TEMP_6 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_6 7
  # elif BOOST_PP_SLOT_TEMP_6 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_6 8
  # elif BOOST_PP_SLOT_TEMP_6 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_6 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_5 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_5 0
  # elif BOOST_PP_SLOT_TEMP_5 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_5 1
  # elif BOOST_PP_SLOT_TEMP_5 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_5 2
  # elif BOOST_PP_SLOT_TEMP_5 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_5 3
  # elif BOOST_PP_SLOT_TEMP_5 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_5 4
  # elif BOOST_PP_SLOT_TEMP_5 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_5 5
  # elif BOOST_PP_SLOT_TEMP_5 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_5 6
  # elif BOOST_PP_SLOT_TEMP_5 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_5 7
  # elif BOOST_PP_SLOT_TEMP_5 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_5 8
  # elif BOOST_PP_SLOT_TEMP_5 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_5 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_4 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_4 0
  # elif BOOST_PP_SLOT_TEMP_4 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_4 1
  # elif BOOST_PP_SLOT_TEMP_4 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_4 2
  # elif BOOST_PP_SLOT_TEMP_4 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_4 3
  # elif BOOST_PP_SLOT_TEMP_4 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_4 4
  # elif BOOST_PP_SLOT_TEMP_4 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_4 5
  # elif BOOST_PP_SLOT_TEMP_4 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_4 6
  # elif BOOST_PP_SLOT_TEMP_4 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_4 7
  # elif BOOST_PP_SLOT_TEMP_4 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_4 8
  # elif BOOST_PP_SLOT_TEMP_4 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_4 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_3 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_3 0
  # elif BOOST_PP_SLOT_TEMP_3 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_3 1
  # elif BOOST_PP_SLOT_TEMP_3 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_3 2
  # elif BOOST_PP_SLOT_TEMP_3 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_3 3
  # elif BOOST_PP_SLOT_TEMP_3 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_3 4
  # elif BOOST_PP_SLOT_TEMP_3 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_3 5
  # elif BOOST_PP_SLOT_TEMP_3 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_3 6
  # elif BOOST_PP_SLOT_TEMP_3 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_3 7
  # elif BOOST_PP_SLOT_TEMP_3 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_3 8
  # elif BOOST_PP_SLOT_TEMP_3 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_3 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_2 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_2 0
  # elif BOOST_PP_SLOT_TEMP_2 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_2 1
  # elif BOOST_PP_SLOT_TEMP_2 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_2 2
  # elif BOOST_PP_SLOT_TEMP_2 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_2 3
  # elif BOOST_PP_SLOT_TEMP_2 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_2 4
  # elif BOOST_PP_SLOT_TEMP_2 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_2 5
  # elif BOOST_PP_SLOT_TEMP_2 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_2 6
  # elif BOOST_PP_SLOT_TEMP_2 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_2 7
  # elif BOOST_PP_SLOT_TEMP_2 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_2 8
  # elif BOOST_PP_SLOT_TEMP_2 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_2 9
  # endif
  #
  # if BOOST_PP_SLOT_TEMP_1 == 0
  #    define BOOST_PP_SLOT_2_DIGIT_1 0
  # elif BOOST_PP_SLOT_TEMP_1 == 1
  #    define BOOST_PP_SLOT_2_DIGIT_1 1
  # elif BOOST_PP_SLOT_TEMP_1 == 2
  #    define BOOST_PP_SLOT_2_DIGIT_1 2
  # elif BOOST_PP_SLOT_TEMP_1 == 3
  #    define BOOST_PP_SLOT_2_DIGIT_1 3
  # elif BOOST_PP_SLOT_TEMP_1 == 4
  #    define BOOST_PP_SLOT_2_DIGIT_1 4
  # elif BOOST_PP_SLOT_TEMP_1 == 5
  #    define BOOST_PP_SLOT_2_DIGIT_1 5
  # elif BOOST_PP_SLOT_TEMP_1 == 6
  #    define BOOST_PP_SLOT_2_DIGIT_1 6
  # elif BOOST_PP_SLOT_TEMP_1 == 7
  #    define BOOST_PP_SLOT_2_DIGIT_1 7
  # elif BOOST_PP_SLOT_TEMP_1 == 8
  #    define BOOST_PP_SLOT_2_DIGIT_1 8
  # elif BOOST_PP_SLOT_TEMP_1 == 9
  #    define BOOST_PP_SLOT_2_DIGIT_1 9
  # endif
  #
  # if BOOST_PP_SLOT_2_DIGIT_10
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_10(BOOST_PP_SLOT_2_DIGIT_10, BOOST_PP_SLOT_2_DIGIT_9, BOOST_PP_SLOT_2_DIGIT_8, BOOST_PP_SLOT_2_DIGIT_7, BOOST_PP_SLOT_2_DIGIT_6, BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_9
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_9(BOOST_PP_SLOT_2_DIGIT_9, BOOST_PP_SLOT_2_DIGIT_8, BOOST_PP_SLOT_2_DIGIT_7, BOOST_PP_SLOT_2_DIGIT_6, BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_8
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_8(BOOST_PP_SLOT_2_DIGIT_8, BOOST_PP_SLOT_2_DIGIT_7, BOOST_PP_SLOT_2_DIGIT_6, BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_7
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_7(BOOST_PP_SLOT_2_DIGIT_7, BOOST_PP_SLOT_2_DIGIT_6, BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_6
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_6(BOOST_PP_SLOT_2_DIGIT_6, BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_5
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_5(BOOST_PP_SLOT_2_DIGIT_5, BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_4
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_4(BOOST_PP_SLOT_2_DIGIT_4, BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_3
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_3(BOOST_PP_SLOT_2_DIGIT_3, BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # elif BOOST_PP_SLOT_2_DIGIT_2
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_CC_2(BOOST_PP_SLOT_2_DIGIT_2, BOOST_PP_SLOT_2_DIGIT_1)
  # else
  #    define BOOST_PP_SLOT_2() BOOST_PP_SLOT_2_DIGIT_1
  # endif
  