Test Code

int  main()  {
    List  list;
    for  (int  i  =  0;  i  <  10;  ++i)
            list.insert_at_front(i);

    for (Iterator i=list.begin(); i!=list.end(); ++i)
            *i  *=  5;

    for (Iterator i=list.begin(); i!=list.end(); ++i)
            std::cout  <<  *i  <<  std::endl;
}