1.1 --- a/src/core/object.h	Thu Apr 17 16:24:43 2008 -0700
     1.2 +++ b/src/core/object.h	Fri Apr 18 14:35:10 2008 -0700
     1.3 @@ -137,6 +137,8 @@
     1.4    friend Ptr<T> CreateObject (const AttributeList &attributes);
     1.5    template <typename T>
     1.6    friend Ptr<T> CopyObject (Ptr<T> object);
     1.7 +  template <typename T>
     1.8 +  friend Ptr<T> CopyObject (Ptr<const T> object);
     1.9  
    1.10    friend class ObjectFactory;
    1.11  
    1.12 @@ -203,8 +205,11 @@
    1.13   * and returns the new instance.
    1.14   */
    1.15  template <typename T>
    1.16 +Ptr<T> CopyObject (Ptr<const T> object);
    1.17 +template <typename T>
    1.18  Ptr<T> CopyObject (Ptr<T> object);
    1.19  
    1.20 +
    1.21  /**
    1.22   * \param attributes a list of attributes to set on the 
    1.23   *        object during construction.
    1.24 @@ -314,6 +319,14 @@
    1.25    return p;
    1.26  }
    1.27  
    1.28 +template <typename T>
    1.29 +Ptr<T> CopyObject (Ptr<const T> object)
    1.30 +{
    1.31 +  Ptr<T> p = Ptr<T> (new T (*PeekPointer (object)), false);
    1.32 +  NS_ASSERT (p->m_tid == object->m_tid);
    1.33 +  return p;
    1.34 +}
    1.35 +
    1.36  
    1.37  template <typename T>
    1.38  Ptr<T> CreateObject (const AttributeList &attributes)