From 91437d9e6348dc60a120ef8df0dc64552fb1e2b6 Mon Sep 17 00:00:00 2001
From: Max Kellermann <mk@cm4all.com>
Date: Fri, 21 Jul 2023 13:16:32 +0200
Subject: [PATCH] util/IntrusiveList: add insert_after()

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

diff --git a/src/util/IntrusiveList.hxx b/src/util/IntrusiveList.hxx
index 319137744..c785fad68 100644
--- a/src/util/IntrusiveList.hxx
+++ b/src/util/IntrusiveList.hxx
@@ -507,6 +507,13 @@ public:
 		++counter;
 	}
 
+	/**
+	 * Like insert(), but insert after the given position.
+	 */
+	void insert_after(iterator p, reference t) noexcept {
+		insert(std::next(p), t);
+	}
+
 	/**
 	 * Move one item of the given list to this one before the
 	 * given position.