Method SerializeMetadata

cpp/src/arrow/ipc/writer.cc:1012–1016

  }

  Status SerializeMetadata(const SparseTensor& sparse_tensor) {
    return WriteSparseTensorMessage(sparse_tensor, out_->body_length, buffer_meta_,
                                    options_)
        .Value(&out_->metadata);
  }

  Status Assemble(const SparseTensor& sparse_tensor) {
    if (!buffer_meta_.empty()) {