Function babylon_queue_consume

example/use-execution-queue/example.cpp:49–56

}

void babylon_queue_consume(
    ::babylon::ConcurrentExecutionQueue<Task>::Iterator iter,
    ::babylon::ConcurrentExecutionQueue<Task>::Iterator end) {
  for (; iter != end; ++iter) {
    latency << ::butil::monotonic_time_ns() - iter->begin;
    pending << -1;
  }
}

void run_loop() {
  size_t times = 0;