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1 /*
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2 * Copyright Andrey Semashev 2007 - 2013.
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3 * Distributed under the Boost Software License, Version 1.0.
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4 * (See accompanying file LICENSE_1_0.txt or copy at
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5 * http://www.boost.org/LICENSE_1_0.txt)
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6 */
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7
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8 /*!
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9 * \file empty_deleter.hpp
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10 * \author Andrey Semashev
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11 * \date 22.04.2007
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12 *
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13 * This header contains an \c empty_deleter implementation. This is an empty
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14 * function object that receives a pointer and does nothing with it.
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15 * Such empty deletion strategy may be convenient, for example, when
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16 * constructing <tt>shared_ptr</tt>s that point to some object that should not be
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17 * deleted (i.e. a variable on the stack or some global singleton, like <tt>std::cout</tt>).
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18 */
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19
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20 #ifndef BOOST_UTILITY_EMPTY_DELETER_HPP
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21 #define BOOST_UTILITY_EMPTY_DELETER_HPP
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22
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23 #include <boost/config.hpp>
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24 #include <boost/core/null_deleter.hpp>
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25
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26 #ifdef BOOST_HAS_PRAGMA_ONCE
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27 #pragma once
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28 #endif
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29
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30 #if defined(__GNUC__)
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31 #pragma message "This header is deprecated, use boost/core/null_deleter.hpp instead."
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32 #elif defined(_MSC_VER)
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33 #pragma message("This header is deprecated, use boost/core/null_deleter.hpp instead.")
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34 #endif
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35
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36 namespace boost {
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37
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38 //! A deprecated name for \c null_deleter
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39 typedef null_deleter empty_deleter;
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40
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41 } // namespace boost
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42
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43 #endif // BOOST_UTILITY_EMPTY_DELETER_HPP
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