Index: uspace/lib/cpp/include/__bits/insert_iterator.hpp
===================================================================
--- uspace/lib/cpp/include/__bits/insert_iterator.hpp	(revision ec3ef80f7eaef65d4d3d43cc263dcef309a2e59b)
+++ uspace/lib/cpp/include/__bits/insert_iterator.hpp	(revision 856a7b49196de7975e942a76a1d3e3c579774b4d)
@@ -1,3 +1,4 @@
 /*
+ * Copyright (c) 2025 Jiri Svoboda
  * Copyright (c) 2018 Jaroslav Jindrak
  * All rights reserved.
@@ -33,4 +34,5 @@
 {
     struct forward_iterator_tag;
+    struct input_iterator_tag;
 }