Method set_buffer

cpp/fory/row/writer.h:118–123

  void write_directly(uint32_t offset, int64_t value);

  void set_buffer(std::shared_ptr<Buffer> buffer) {
    buffer_ = buffer;
    for (auto child : children_) {
      child->set_buffer(buffer);
    }
  }

  virtual ~Writer() = default;