Function add_rust_nodes 

pub fn add_rust_nodes<N, NodeIds, PeerIds>(
    driver: &mut Driver<'_>,
    num: N,
    config: RustNodeTestingConfig,
) -> (NodeIds, PeerIds)
where
    N: Into<u16>,
    NodeIds: Default + Extend<ClusterNodeId>,
    PeerIds: Default + Extend<PeerId>,