}
	cfg := &tls.Config{Certificates: []tls.Certificate{cert}}
	listener, err := tls.Listen("tcp", ":2000", cfg)
	if err != nil {
		log.Fatal(err)
	}
	_ = listener
}

func ExampleX509KeyPair_httpServer() {
	certPem := []byte(`-----BEGIN CERTIFICATE-----
MIIBhTCCASugAwIBAgIQIRi6zePL6mKjOipn+dNuaTAKBggqhkjOPQQDAjASMRAw
DgYDVQQKEwdBY21lIENvMB4XDTE3MTAyMDE5NDMwNloXDTE4MTAyMDE5NDMwNlow