annotate DEPENDENCIES/generic/include/boost/preprocessor/facilities/is_empty_variadic.hpp @ 125:34e428693f5d vext

Vext -> Repoint
author Chris Cannam
date Thu, 14 Jun 2018 11:15:39 +0100
parents f46d142149f5
children
rev   line source
Chris@102 1 # /* **************************************************************************
Chris@102 2 # * *
Chris@102 3 # * (C) Copyright Edward Diener 2014.
Chris@102 4 # * Distributed under the Boost Software License, Version 1.0. (See
Chris@102 5 # * accompanying file LICENSE_1_0.txt or copy at
Chris@102 6 # * http://www.boost.org/LICENSE_1_0.txt)
Chris@102 7 # * *
Chris@102 8 # ************************************************************************** */
Chris@102 9 #
Chris@102 10 # /* See http://www.boost.org for most recent version. */
Chris@102 11 #
Chris@102 12 # ifndef BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP
Chris@102 13 # define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP
Chris@102 14 #
Chris@102 15 # include <boost/preprocessor/config/config.hpp>
Chris@102 16 #
Chris@102 17 # if BOOST_PP_VARIADICS
Chris@102 18 #
Chris@102 19 # include <boost/preprocessor/punctuation/is_begin_parens.hpp>
Chris@102 20 # include <boost/preprocessor/facilities/detail/is_empty.hpp>
Chris@102 21 #
Chris@102 22 #if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
Chris@102 23 #
Chris@102 24 #define BOOST_PP_IS_EMPTY(param) \
Chris@102 25 BOOST_PP_DETAIL_IS_EMPTY_IIF \
Chris@102 26 ( \
Chris@102 27 BOOST_PP_IS_BEGIN_PARENS \
Chris@102 28 ( \
Chris@102 29 param \
Chris@102 30 ) \
Chris@102 31 ) \
Chris@102 32 ( \
Chris@102 33 BOOST_PP_IS_EMPTY_ZERO, \
Chris@102 34 BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
Chris@102 35 ) \
Chris@102 36 (param) \
Chris@102 37 /**/
Chris@102 38 #define BOOST_PP_IS_EMPTY_ZERO(param) 0
Chris@102 39 # else
Chris@102 40 #define BOOST_PP_IS_EMPTY(...) \
Chris@102 41 BOOST_PP_DETAIL_IS_EMPTY_IIF \
Chris@102 42 ( \
Chris@102 43 BOOST_PP_IS_BEGIN_PARENS \
Chris@102 44 ( \
Chris@102 45 __VA_ARGS__ \
Chris@102 46 ) \
Chris@102 47 ) \
Chris@102 48 ( \
Chris@102 49 BOOST_PP_IS_EMPTY_ZERO, \
Chris@102 50 BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
Chris@102 51 ) \
Chris@102 52 (__VA_ARGS__) \
Chris@102 53 /**/
Chris@102 54 #define BOOST_PP_IS_EMPTY_ZERO(...) 0
Chris@102 55 # endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */
Chris@102 56 # endif /* BOOST_PP_VARIADICS */
Chris@102 57 # endif /* BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP */