43 class EventLoop  class
50     EventLoop(std::shared_ptr<boost::asio::io_context>& io, const Private&) :  in EventLoop()  function in eventloop::EventLoop
53     EventLoop() = delete;
54     ~EventLoop() = default;
55     EventLoop(const EventLoop&) = delete;
56     EventLoop& operator=(const EventLoop&) = delete;
57     EventLoop(EventLoop&&) = delete;
58     EventLoop& operator=(EventLoop&&) = delete;
65     static EventLoop& get()  in get()
67         static std::shared_ptr<EventLoop> ptr = nullptr;  in get()
71             ptr = std::make_shared<EventLoop>(io, Private());  in get()