From 0ef77eab92b078d6815664eae93d59b63e772364 Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@gmail.com>
Date: Wed, 11 Jun 2025 20:24:19 +0200
Subject: [PATCH] core: Add a static assert to prevent misuse of Create<>()
 function

---
 src/core/model/ptr.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/model/ptr.h b/src/core/model/ptr.h
index a66484dd5..bfe871ee1 100644
--- a/src/core/model/ptr.h
+++ b/src/core/model/ptr.h
@@ -13,6 +13,7 @@
 
 #include <iostream>
 #include <stdint.h>
+#include <type_traits>
 
 /**
  * @file
@@ -427,6 +428,8 @@ struct EventMemberImplObjTraits<Ptr<T>>
 namespace ns3
 {
 
+class Object;
+
 /*************************************************
  *  friend non-member function implementations
  ************************************************/
@@ -435,6 +438,8 @@ template <typename T, typename... Ts>
 Ptr<T>
 Create(Ts&&... args)
 {
+    static_assert(!std::is_base_of_v<Object, T>,
+                  "Use CreateObject() instead of Create() for Object subclasses");
     return Ptr<T>(new T(std::forward<Ts>(args)...), false);
 }