Function https_on 

pub async fn https_on<F, Fut>(
    https_addr: SocketAddr,
    http_addr: SocketAddr,
    domain_names: &[String],
    service: F,
) -> Result<()>
where
    F: Fn(HttpsRequest) -> Fut + Clone + Send + Sync + 'static,
    Fut: Future<Output = HttpsResponse> + Send + 'static,

Bind explicit HTTPS and HTTP addresses and run the framework-neutral serving loops.