From 131263cbe350da4d7ecb12b35e66dcde8c05b38e Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@ionos.com>
Date: Thu, 23 Jan 2025 16:36:05 +0100
Subject: [PATCH] util/TagStructs: add struct AdoptTag

---
 src/util/TagStructs.hxx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/util/TagStructs.hxx b/src/util/TagStructs.hxx
index bf11e84b4..aa49db4d9 100644
--- a/src/util/TagStructs.hxx
+++ b/src/util/TagStructs.hxx
@@ -15,3 +15,10 @@
  * duplicating the referenced objects).
  */
 struct ShallowCopy {};
+
+/**
+ * A tag that signals that the callee shall take ownership of the
+ * object that is being passed to it.  Usually, that owned is an
+ * unmanaged reference and rvalues do not make sense.
+ */
+struct AdoptTag {};