| #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 |
