44     struct WorkItem {  struct
45         WorkItem() = delete;
46         WorkItem(const WorkItem& other) = delete;
47         WorkItem& operator=(const WorkItem& other) = delete;  argument
48         WorkItem(WorkItem&& other) = default;
49         WorkItem& operator=(WorkItem&& other) = default;  argument
51         WorkItem(nsecs_t runAt, std::function<void()>&& work)  in WorkItem()  function
64         std::vector<WorkItem> toProcess;  in process()  argument
70                                     [&now](WorkItem& item) { return item.runAt > now; });  in process()
84         enqueue(WorkItem{time, std::function<void()>(std::forward<F>(func))});  in postAt()
89         enqueue(WorkItem{clock::now() + delay, std::function<void()>(std::forward<F>(func))});  in postDelayed()
121     void enqueue(WorkItem&& item) {  in enqueue()
127                     [time = item.runAt](WorkItem & item) { return item.runAt > time; });  in enqueue()
139     std::vector<WorkItem> mWorkQueue;