boost/preprocessor/punctuation/comma_if.hpp
# /* Copyright (C) 2001 # * Housemarque Oy # * http://www.housemarque.com # * # * 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) # */ # # /* Revised by Paul Mensonides (2002) */ # # /* See http://www.boost.org for most recent version. */ # # ifndef BOOST_PREPROCESSOR_PUNCTUATION_COMMA_IF_HPP # define BOOST_PREPROCESSOR_PUNCTUATION_COMMA_IF_HPP # # include <boost/preprocessor/config/config.hpp> # include <boost/preprocessor/control/if.hpp> # include <boost/preprocessor/facilities/empty.hpp> # include <boost/preprocessor/punctuation/comma.hpp> # # /* BOOST_PP_COMMA_IF */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_COMMA_IF(cond) BOOST_PP_IF(cond, BOOST_PP_COMMA, BOOST_PP_EMPTY)() # else # define BOOST_PP_COMMA_IF(cond) BOOST_PP_COMMA_IF_I(cond) # define BOOST_PP_COMMA_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_COMMA, BOOST_PP_EMPTY)() # endif # # endif