case DT_INT64:
      return PrintArray(num_elts, t.flat<int64_t>().data());
    case DT_BOOL:
      return PrintArray(num_elts, t.flat<bool>().data());
    case DT_STRING: {
      string ret;
      for (int64_t i = 0; i < num_elts; ++i) {
        if (i > 0) strings::StrAppend(&ret, " ");
        strings::StrAppend(&ret, absl::CEscape(t.flat<tstring>()(i)));
      }
      return ret;