Class Hex

tensorflow/core/lib/strings/strcat.h:80–96

};

struct Hex {
  uint64 value;
  enum PadSpec spec;
  template <class Int>
  explicit Hex(Int v, PadSpec s = kNoPad) : spec(s) {
    // Prevent sign-extension by casting integers to
    // their unsigned counterparts.
    static_assert(
        sizeof(v) == 1 || sizeof(v) == 2 || sizeof(v) == 4 || sizeof(v) == 8,
        "Unknown integer type");
    value = sizeof(v) == 1
                ? static_cast<uint8>(v)
                : sizeof(v) == 2 ? static_cast<uint16>(v)
                                 : sizeof(v) == 4 ? static_cast<uint32>(v)
                                                  : static_cast<uint64>(v);
  }
};

class AlphaNum {
 public: