Method insert

library/include/BitArray.h:275–280

            memmove(ptr, ptr+1, sizeof(T)*(m_size - (ptr - m_data))); m_size--;
        }
        void insert(T *ptr, const T &item) {
            int idx = ptr - m_data;
            resize(m_size+1);
            memmove(m_data + idx + 1, m_data + idx, sizeof(T)*(m_size - idx - 1));
            m_data[idx] = item;
        }
    };

    template <typename L, typename I>