findSlaves :: Backend -> Process [NodeId] spawn :: NodeId -> Closure (Process ()) -> Process ProcessId send :: Serializable a => ProcessId -> a -> Process () expect :: Serializable a => Process a newChan :: Serializable a => Process (SendPort a, ReceivePort a) sendChan :: Serializable a => SendPort a -> a -> Process () receiveChan :: Serializable a => ReceivePort a -> Process a