/usr/include/boost/vmd/empty.hpp is in libboost1.65-dev 1.65.1+dfsg-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | // (C) Copyright Edward Diener 2011-2015
// Use, modification and distribution are subject to 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).
#if !defined(BOOST_VMD_EMPTY_HPP)
#define BOOST_VMD_EMPTY_HPP
#include <boost/vmd/detail/setup.hpp>
#if BOOST_PP_VARIADICS
/*
The succeeding comments in this file are in doxygen format.
*/
/** \file
*/
/** \def BOOST_VMD_EMPTY(...)
\brief Outputs emptiness.
... = any variadic parameters. The parameters are ignored.
This macro is used to output emptiness ( nothing ) no matter
what is passed to it.
If you use this macro to return a result, as in 'result BOOST_VMD_EMPTY'
subsequently invoked, you should surround the result with
BOOST_VMD_IDENTITY_RESULT to smooth over a VC++ problem.
*/
#define BOOST_VMD_EMPTY(...)
#endif /* BOOST_PP_VARIADICS */
#endif /* BOOST_VMD_EMPTY_HPP */
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