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