bkietz commented on a change in pull request #9134:
URL: https://github.com/apache/arrow/pull/9134#discussion_r554077313
##########
File path: cpp/src/arrow/util/thread_pool.cc
##########
@@ -84,10 +84,10 @@ static void WorkerLoop(std::shared_ptr<ThreadPool::State>
state,
break;
}
{
- std::function<void()> task = std::move(state->pending_tasks_.front());
+ FnOnce<void()> task = std::move(state->pending_tasks_.front());
state->pending_tasks_.pop_front();
lock.unlock();
- task();
+ std::move(task)();
}
Review comment:
since invoking task will drop its resources, we no longer need to wrap
it in an explicit scope
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