compiler/boost/preprocessor/facilities/apply.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_FACILITIES_APPLY_HPP
  13 # define BOOST_PREPROCESSOR_FACILITIES_APPLY_HPP
  14 #
  15 # include <boost/preprocessor/config/config.hpp>
  16 # include <boost/preprocessor/control/expr_iif.hpp>
  17 # include <boost/preprocessor/detail/is_unary.hpp>
  18 # include <boost/preprocessor/tuple/rem.hpp>
  19 #
  20 # /* BOOST_PP_APPLY */
  21 #
  22 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23 #    define BOOST_PP_APPLY(x) BOOST_PP_APPLY_I(x)
  24 #    define BOOST_PP_APPLY_I(x) BOOST_PP_EXPR_IIF(BOOST_PP_IS_UNARY(x), BOOST_PP_TUPLE_REM_1 x)
  25 # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_BCC()
  26 #    define BOOST_PP_APPLY(x) BOOST_PP_APPLY_I(x)
  27 #    define BOOST_PP_APPLY_I(x) BOOST_PP_APPLY_ ## x
  28 #    define BOOST_PP_APPLY_(x) x
  29 #    define BOOST_PP_APPLY_BOOST_PP_NIL
  30 # else
  31 #    define BOOST_PP_APPLY(x) BOOST_PP_EXPR_IIF(BOOST_PP_IS_UNARY(x), BOOST_PP_TUPLE_REM_1 x)
  32 # endif
  33 #
  34 # endif