36   constexpr Charmap() : m_() {}  in Charmap()
40   Charmap(const char* str, int len) : m_() {  in Charmap()
46   explicit Charmap(const char* str) : m_() {  in Charmap()
51     return (m_[c / 64] >> (c % 64)) & 0x1;  in contains()
56     for (size_t i = 0; i < ABSL_ARRAYSIZE(m_); ++i) {  in IntersectsWith()
57       if ((m_[i] & c.m_[i]) != 0) return true;  in IntersectsWith()
63     for (uint64_t c : m_) {  in IsZero()
89     return Charmap(a.m_[0] & b.m_[0], a.m_[1] & b.m_[1], a.m_[2] & b.m_[2],
90                    a.m_[3] & b.m_[3]);
94     return Charmap(a.m_[0] | b.m_[0], a.m_[1] | b.m_[1], a.m_[2] | b.m_[2],
95                    a.m_[3] | b.m_[3]);
99     return Charmap(~a.m_[0], ~a.m_[1], ~a.m_[2], ~a.m_[3]);
104       : m_{b0, b1, b2, b3} {}  in Charmap()
128     m_[c / 64] |= static_cast<uint64_t>(1) << (c % 64);  in SetChar()
131   uint64_t m_[4];  variable