--- /dev/null
+//
+// cpp14/can_require_static.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2020 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)
+//
+
+#include <boost/asio/require.hpp>
+#include <cassert>
+
+template <int>
+struct prop
+{
+ template <typename> static constexpr bool is_applicable_property_v = true;
+ static constexpr bool is_requirable = true;
+ template <typename> static constexpr bool static_query_v = true;
+ static constexpr bool value() { return true; }
+};
+
+template <int>
+struct object
+{
+};
+
+int main()
+{
+ static_assert(boost::asio::can_require_v<object<1>, prop<1>>, "");
+ static_assert(boost::asio::can_require_v<object<1>, prop<1>, prop<1>>, "");
+ static_assert(boost::asio::can_require_v<object<1>, prop<1>, prop<1>, prop<1>>, "");
+ static_assert(boost::asio::can_require_v<const object<1>, prop<1>>, "");
+ static_assert(boost::asio::can_require_v<const object<1>, prop<1>, prop<1>>, "");
+ static_assert(boost::asio::can_require_v<const object<1>, prop<1>, prop<1>, prop<1>>, "");
+}