#ifndef BOOST_SMART_PTR_OWNER_HASH_HPP_INCLUDED
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#define BOOST_SMART_PTR_OWNER_HASH_HPP_INCLUDED
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// Copyright 2020 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/config.hpp>
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#include <cstddef>
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namespace boost
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{
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template<class T> struct owner_hash
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{
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typedef std::size_t result_type;
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typedef T argument_type;
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std::size_t operator()( T const & t ) const BOOST_NOEXCEPT
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{
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return t.owner_hash_value();
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}
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};
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} // namespace boost
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#endif // #ifndef BOOST_SMART_PTR_OWNER_HASH_HPP_INCLUDED
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