Method AddString

graphlearn/src/service/tensor_impl.h:87–91

  }

  void AddString(const std::string& v) {
    std::string* s = string_buf_->Add();
    *s = v;
    size_ = string_buf_->size();
  }

  void AddString(std::string&& v) {
    std::string* s = string_buf_->Add();