TrigCompositeUtils::KFromNItr Node1 TrigCompositeUtils ::KFromNItr - m_N + KFromNItr() + KFromNItr() + size() + reset() + exhausted() + operator*() + operator->() + operator++() + operator++() + operator==() + operator!=() Node2 std::vector< std::size_t > + elements Node2->Node1 -m_current