_S_fetch
return _My_rope::_S_fetch(_M_root->_M_tree_ptr, _M_pos);
return rope<_CharT,_Alloc>::_S_fetch(_M_root, _M_current_pos + __n);
static _CharT _S_fetch(_RopeRep* __r, size_type __pos);
return _S_fetch(_M_tree_ptr, _M_tree_ptr->_M_size - 1);
return _S_fetch(_M_tree_ptr, 0);
return _S_fetch(_M_tree_ptr, __pos);