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diff --git a/3rdparty/asio/include/asio/traits/submit_member.hpp b/3rdparty/asio/include/asio/traits/submit_member.hpp
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+//
+// traits/submit_member.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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 ASIO_TRAITS_SUBMIT_MEMBER_HPP
+#define ASIO_TRAITS_SUBMIT_MEMBER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/type_traits.hpp"
+
+#if defined(ASIO_HAS_DECLTYPE) \
+ && defined(ASIO_HAS_NOEXCEPT) \
+ && defined(ASIO_HAS_WORKING_EXPRESSION_SFINAE)
+# define ASIO_HAS_DEDUCED_SUBMIT_MEMBER_TRAIT 1
+#endif // defined(ASIO_HAS_DECLTYPE)
+ // && defined(ASIO_HAS_NOEXCEPT)
+ // && defined(ASIO_HAS_WORKING_EXPRESSION_SFINAE)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace traits {
+
+template <typename S, typename R, typename = void>
+struct submit_member_default;
+
+template <typename S, typename R, typename = void>
+struct submit_member;
+
+} // namespace traits
+namespace detail {
+
+struct no_submit_member
+{
+ ASIO_STATIC_CONSTEXPR(bool, is_valid = false);
+ ASIO_STATIC_CONSTEXPR(bool, is_noexcept = false);
+};
+
+#if defined(ASIO_HAS_DEDUCED_SUBMIT_MEMBER_TRAIT)
+
+template <typename S, typename R, typename = void>
+struct submit_member_trait : no_submit_member
+{
+};
+
+template <typename S, typename R>
+struct submit_member_trait<S, R,
+ typename void_type<
+ decltype(declval<S>().submit(declval<R>()))
+ >::type>
+{
+ ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
+
+ using result_type = decltype(
+ declval<S>().submit(declval<R>()));
+
+ ASIO_STATIC_CONSTEXPR(bool, is_noexcept = noexcept(
+ declval<S>().submit(declval<R>())));
+};
+
+#else // defined(ASIO_HAS_DEDUCED_SUBMIT_MEMBER_TRAIT)
+
+template <typename S, typename R, typename = void>
+struct submit_member_trait :
+ conditional<
+ is_same<S, typename remove_reference<S>::type>::value
+ && is_same<R, typename decay<R>::type>::value,
+ typename conditional<
+ is_same<S, typename add_const<S>::type>::value,
+ no_submit_member,
+ traits::submit_member<typename add_const<S>::type, R>
+ >::type,
+ traits::submit_member<
+ typename remove_reference<S>::type,
+ typename decay<R>::type>
+ >::type
+{
+};
+
+#endif // defined(ASIO_HAS_DEDUCED_SUBMIT_MEMBER_TRAIT)
+
+} // namespace detail
+namespace traits {
+
+template <typename S, typename R, typename>
+struct submit_member_default :
+ detail::submit_member_trait<S, R>
+{
+};
+
+template <typename S, typename R, typename>
+struct submit_member :
+ submit_member_default<S, R>
+{
+};
+
+} // namespace traits
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_TRAITS_SUBMIT_MEMBER_HPP