123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- //
- // detail/non_const_lvalue.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
- //
- // Distributed under 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)
- //
- #ifndef BOOST_ASIO_DETAIL_NON_CONST_LVALUE_HPP
- #define BOOST_ASIO_DETAIL_NON_CONST_LVALUE_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #include <boost/asio/detail/type_traits.hpp>
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- template <typename T>
- struct non_const_lvalue
- {
- explicit non_const_lvalue(T& t)
- : value(static_cast<conditional_t<
- is_same<T, decay_t<T>>::value, decay_t<T>&, T&&>>(t))
- {
- }
- conditional_t<is_same<T, decay_t<T>>::value, decay_t<T>&, decay_t<T>> value;
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #endif // BOOST_ASIO_DETAIL_NON_CONST_LVALUE_HPP
|