`Uq_engines.connect_address ->
object
method connect :
Uq_engines.connect_address ->
Unixqueue.event_system -> Uq_engines.connect_status Uq_engines.engine
method create_datagram_socket :
Uq_engines.datagram_type ->
Unixqueue.event_system ->
Uq_engines.wrapped_datagram_socket Uq_engines.engine
method listen :
Uq_engines.listen_address ->
Unixqueue.event_system ->
Uq_engines.server_endpoint_acceptor Uq_engines.engine
end`