Index: libcfa/src/concurrency/invoke.h
===================================================================
--- libcfa/src/concurrency/invoke.h	(revision a96ce078f8de5b15c4828ec84034fba085d2bfd0)
+++ libcfa/src/concurrency/invoke.h	(revision c19ca4b7ad74e7dc90a505c2d2ac155e5a955a7e)
@@ -10,9 +10,9 @@
 // Created On       : Tue Jan 17 12:27:26 2016
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Mar 14 11:48:41 2023
-// Update Count     : 58
-//
-
-//#pragma once
+// Last Modified On : Tue Mar 14 13:39:31 2023
+// Update Count     : 59
+//
+
+// No not use #pragma once was this file is included twice in some places. It has its own guard system.
 
 #include "bits/containers.hfa"