// Add an action to list
template <class ACTIVE_CLASS, typename DATA_TYPE>
void Enqueue(ACTIVE_CLASS & ac,
typename ACTOR<ACTIVE_CLASS, DATA_TYPE>::TYPE a,
// Add an action to list
template <class ACTIVE_CLASS, typename DATA_TYPE>
void Enqueue(ACTIVE_CLASS & ac,
typename ACTOR<ACTIVE_CLASS, DATA_TYPE>::TYPE a,