Method num_handlers

libraries/lib-engine/src/core-events.cpp:177–177

    void event_manager_sync::disconnect_all(const void * owner) { /* todo */ }

    size_t event_manager_sync::num_handlers() const { return handlers->size(); }

    size_t event_manager_sync::num_handlers_type(poly_typeid type) const { return handlers->handler_count(type); }