70   void Submit(std::function<void()>&& schedule,
71     std::function<void()>&& unschedule, void* tag);
117    std::function<void()> function;  member
118    std::function<void()> unschedFunction;
223     auto func = std::move(queue_.front().function);  in BGThread()
358 void ThreadPoolImpl::Impl::Submit(std::function<void()>&& schedule,  in Submit()
359   std::function<void()>&& unschedule, void* tag) {  in Submit()
374   item.function = std::move(schedule);  in Submit()
393   std::vector<std::function<void()>> candidates;  in UnSchedule()
463 void ThreadPoolImpl::SubmitJob(const std::function<void()>& job) {  in SubmitJob()
465   impl_->Submit(std::move(copy), std::function<void()>(), nullptr);  in SubmitJob()
469 void ThreadPoolImpl::SubmitJob(std::function<void()>&& job) {  in SubmitJob()
470   impl_->Submit(std::move(job), std::function<void()>(), nullptr);  in SubmitJob()
473 void ThreadPoolImpl::Schedule(void(*function)(void* arg1), void* arg,  in Schedule()
476     impl_->Submit(std::bind(function, arg), std::function<void()>(), tag);  in Schedule()
478     impl_->Submit(std::bind(function, arg), std::bind(unschedFunction, arg),  in Schedule()