Method ListFragmentTask

cpp/src/arrow/dataset/scan_node.cc:283–286

  struct ListFragmentTask : util::AsyncTaskScheduler::Task {
    ListFragmentTask(ScanNode* node, std::shared_ptr<Fragment> fragment)
        : node(node), fragment(std::move(fragment)) {
      name_ = "ScanNode::ListFragment::" + this->fragment->ToString();
    }

    Result<Future<>> operator()() override {
      return fragment