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42 lines
982 B
C++
42 lines
982 B
C++
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// (C) Copyright Edward Diener 2011-2015
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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#if !defined(BOOST_VMD_EMPTY_HPP)
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#define BOOST_VMD_EMPTY_HPP
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#include <boost/vmd/detail/setup.hpp>
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#if BOOST_PP_VARIADICS
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/*
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The succeeding comments in this file are in doxygen format.
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*/
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/** \file
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*/
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/** \def BOOST_VMD_EMPTY(...)
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\brief Outputs emptiness.
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... = any variadic parameters. The parameters are ignored.
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This macro is used to output emptiness ( nothing ) no matter
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what is passed to it.
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If you use this macro to return a result, as in 'result BOOST_VMD_EMPTY'
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subsequently invoked, you should surround the result with
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BOOST_VMD_IDENTITY_RESULT to smooth over a VC++ problem.
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*/
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#define BOOST_VMD_EMPTY(...)
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#endif /* BOOST_PP_VARIADICS */
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#endif /* BOOST_VMD_EMPTY_HPP */
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