/begin_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/deref_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/end_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/equal_to_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/next_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/size_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
/value_of_impl.hpp/1.2/Fri Mar  2 10:44:12 2007//
D
