*/
#pragma once
-#include <folly/LifoSem.h>
-#include <folly/futures/DrivableExecutor.h>
-#include <folly/futures/ScheduledExecutor.h>
+
+#include <cstdio>
#include <memory>
#include <mutex>
#include <queue>
-#include <cstdio>
+
+#include <folly/LifoSem.h>
+#include <folly/futures/DrivableExecutor.h>
+#include <folly/futures/ScheduledExecutor.h>
namespace folly {
/// A ManualExecutor only does work when you turn the crank, by calling