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Editing: is_1.hpp
# /* ************************************************************************** # * * # * (C) Copyright Paul Mensonides 2003. # * 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_FACILITIES_IS_1_HPP # define BOOST_PREPROCESSOR_FACILITIES_IS_1_HPP # # include <boost/preprocessor/cat.hpp> # include <boost/preprocessor/facilities/is_empty.hpp> # # /* BOOST_PP_IS_1 */ # # define BOOST_PP_IS_1(x) BOOST_PP_IS_EMPTY(BOOST_PP_CAT(BOOST_PP_IS_1_HELPER_, x)) # define BOOST_PP_IS_1_HELPER_1 # # endif
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