compiler/boost/preprocessor/seq/pop_back.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Paul Mensonides 2002.
   4 #  *     Distributed under the Boost Software License, Version 1.0. (See
   5 #  *     accompanying file LICENSE_1_0.txt or copy at
   6 #  *     http://www.boost.org/LICENSE_1_0.txt)
   7 #  *                                                                          *
   8 #  ************************************************************************** */
   9 #
  10 # /* See http://www.boost.org for most recent version. */
  11 #
  12 # ifndef BOOST_PREPROCESSOR_SEQ_POP_BACK_HPP
  13 # define BOOST_PREPROCESSOR_SEQ_POP_BACK_HPP
  14 #
  15 # include <boost/preprocessor/arithmetic/dec.hpp>
  16 # include <boost/preprocessor/config/config.hpp>
  17 # include <boost/preprocessor/seq/first_n.hpp>
  18 # include <boost/preprocessor/seq/size.hpp>
  19 #
  20 # /* BOOST_PP_SEQ_POP_BACK */
  21 #
  22 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23 #    define BOOST_PP_SEQ_POP_BACK(seq) BOOST_PP_SEQ_FIRST_N(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), seq)
  24 # else
  25 #    define BOOST_PP_SEQ_POP_BACK(seq) BOOST_PP_SEQ_POP_BACK_I(seq)
  26 #    define BOOST_PP_SEQ_POP_BACK_I(seq) BOOST_PP_SEQ_FIRST_N(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)), seq)
  27 # endif
  28 #
  29 # endif