Method string

src/geode/basic/uuid.cpp:302–322

    }

    std::string uuid::string() const
    {
        static constexpr char hex[] = "0123456789abcdef";

        // Positions for each byte in 36-char string (accounting for hyphens)
        static constexpr int pos[16] = { 0, 2, 4, 6, 9, 11, 14, 16, 19, 21, 24,
            26, 28, 30, 32, 34 };

        std::array< char, 36 > buf{};
        buf[8] = buf[13] = buf[18] = buf[23] = '-';

        for( int i = 0; i < 16; ++i )
        {
            unsigned b = bytes_[i];

            buf[pos[i]] = hex[b >> 4];
            buf[pos[i] + 1] = hex[b & 0x0F];
        }

        return { buf.data(), buf.size() };
    }
} // namespace geode

namespace std