| first_argument_type typedef | std::binary_function< _Arg1, _Arg2, _Result > | |
| operator()(const rope< _CharT, _Alloc > &__x, const rope< _CharT, _Alloc > &__y) | __gnu_cxx::_Rope_Concat_fn< _CharT, _Alloc > |  [inline] | 
| result_type typedef | std::binary_function< _Arg1, _Arg2, _Result > | |
| second_argument_type typedef | std::binary_function< _Arg1, _Arg2, _Result > | 
 1.4.7
 1.4.7