Analysis::TrackGrade Node1 Analysis::TrackGrade - m_gradeNumber + TrackGrade() + TrackGrade() + TrackGrade() + TrackGrade() + operator=() + operator=() + operator==() + operator==() + operator==() + ~TrackGrade() + gradeString() + gradeNumber() + operator int() + operator const std ::string() Node2 std::string Node2->Node1 -m_gradeName Node3 std::basic_string< char > Node3->Node2