Method poll

bindings/python/pylibremidi.cpp:141–145

  }

  void poll() {
    poll_queue::midi_in_msg m;
    while (queue.try_dequeue(m))
      boost::variant2::visit(*this, std::move(m));
  }

  void operator()(const poll_queue::error_message &msg) const noexcept {
    if (python_midi1_callbacks.on_error)