import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / libs / asio / test / properties / cpp14 / can_require_concept_not_applicable_free.cpp

diff --git a/ceph/src/boost/libs/asio/test/properties/cpp14/can_require_concept_not_applicable_free.cpp b/ceph/src/boost/libs/asio/test/properties/cpp14/can_require_concept_not_applicable_free.cpp
new file mode 100644 (file)
index 0000000..b0eec76
--- /dev/null
+++ b/ceph/src/boost/libs/asio/test/properties/cpp14/can_require_concept_not_applicable_free.cpp
@@ -0,0 +1,34 @@
+//
+// cpp14/can_require_concept_not_applicable_free.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_concept.hpp>
+#include <cassert>
+
+template <int>
+struct prop
+{
+  static constexpr bool is_requirable_concept = true;
+};
+
+template <int>
+struct object
+{
+  template <int N>
+  friend constexpr object<N> require_concept(const object&, prop<N>)
+  {
+    return object<N>();
+  }
+};
+
+int main()
+{
+  static_assert(!boost::asio::can_require_concept_v<object<1>, prop<2>>, "");
+  static_assert(!boost::asio::can_require_concept_v<const object<1>, prop<2>>, "");
+}