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seq
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binary_transform.hpp
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is_empty.hpp
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split.hpp
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to_list_msvc.hpp
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/usr/include/boost/preprocessor/seq/detail/is_empty.hpp
(1644B)
# /* ************************************************************************** # * * # * (C) Copyright Edward Diener 2015. # * 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. */ # # ifndef BOOST_PREPROCESSOR_SEQ_DETAIL_IS_EMPTY_HPP # define BOOST_PREPROCESSOR_SEQ_DETAIL_IS_EMPTY_HPP # # include <boost/preprocessor/config/config.hpp> # include <boost/preprocessor/arithmetic/dec.hpp> # include <boost/preprocessor/logical/bool.hpp> # include <boost/preprocessor/logical/compl.hpp> # include <boost/preprocessor/seq/size.hpp> # /* An empty seq is one that is just BOOST_PP_SEQ_NIL */ # # define BOOST_PP_SEQ_DETAIL_IS_EMPTY(seq) \ BOOST_PP_COMPL \ ( \ BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY(seq) \ ) \ /**/ # # define BOOST_PP_SEQ_DETAIL_IS_EMPTY_SIZE(size) \ BOOST_PP_COMPL \ ( \ BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY_SIZE(size) \ ) \ /**/ # # define BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY(seq) \ BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY_SIZE(BOOST_PP_SEQ_DETAIL_EMPTY_SIZE(seq)) \ /**/ # # define BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY_SIZE(size) \ BOOST_PP_BOOL(size) \ /**/ # # define BOOST_PP_SEQ_DETAIL_EMPTY_SIZE(seq) \ BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq (nil))) \ /**/ # # endif
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