Method insert

src/core/include/megbrain/utils/shared_set.h:56–61

! * \brief insert an element */

     * \brief insert an element
     */
    void insert(const Elem& elem) {
        if (m_container && m_container->count(elem))
            return;
        ensure_own();
        m_container->insert(elem);
    }

    /*!
     * \brief insert all elements in another set into this