Method clear

src/semiorderedset.h:235–242

    }

    void clear()
    {
        m_data = decltype(m_data)();
        bits = bits_min;
        m_data.resize(1ULL << bits);
        celem = 0;
        idxRehash = m_data.size();
    }
    
    bool empty() const noexcept { return celem == 0; }
    size_t size() const noexcept { return celem; }