Method has_ref

implementation/routing/src/event.cpp:432–436

}

bool event::has_ref() {

    std::scoped_lock its_lock(refs_mutex_);
    return refs_.size() != 0;
}

bool event::add_subscriber(eventgroup_t _eventgroup, const std::shared_ptr<debounce_filter_impl_t>& _filter, client_t _client,
                           bool _force) {