45     struct WorkItem {  struct
46         WorkItem() = delete;
47         WorkItem(const WorkItem& other) = delete;
48         WorkItem& operator=(const WorkItem& other) = delete;  argument
49         WorkItem(WorkItem&& other) = default;
50         WorkItem& operator=(WorkItem&& other) = default;  argument
52         WorkItem(nsecs_t runAt, std::function<void()>&& work)  in WorkItem()  function
65         std::vector<WorkItem> toProcess;  in process()  argument
71                                     [&now](WorkItem& item) { return item.runAt > now; });  in process()
85         enqueue(WorkItem{time, std::function<void()>(std::forward<F>(func))});  in postAt()
90         enqueue(WorkItem{clock::now() + delay, std::function<void()>(std::forward<F>(func))});  in postDelayed()
122     void enqueue(WorkItem&& item) {  in enqueue()
128                     [time = item.runAt](WorkItem & item) { return item.runAt > time; });  in enqueue()
140     std::vector<WorkItem> mWorkQueue;