update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / pfr / detail / core14_classic.hpp

diff --git a/ceph/src/boost/boost/pfr/detail/core14_classic.hpp b/ceph/src/boost/boost/pfr/detail/core14_classic.hpp
index 9349118b20066d99fa4ca6543a0815c2990943dc..a27d081258e2ce9b38d367e7e3c5af0f58c058f6 100644 (file)
--- a/ceph/src/boost/boost/pfr/detail/core14_classic.hpp
+++ b/ceph/src/boost/boost/pfr/detail/core14_classic.hpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2020 Antony Polukhin
+// Copyright (c) 2016-2022 Antony Polukhin
 //
 // 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)
@@ -549,6 +549,11 @@ constexpr bool is_flat_refelectable(std::index_sequence<I...>) noexcept {
     return true;
 }
 
+template<class T>
+constexpr bool is_flat_refelectable(std::index_sequence<>) noexcept {
+    return true; ///< all empty structs always flat refelectable
+}
+
 template <class T>
 auto tie_as_flat_tuple(T& lvalue) noexcept {
     static_assert(