rust-ownership-example-intro.go

type Service struct {
	name      string
	namespace string
	endpoints []string
	mappings  map[string]string
}

func main() {
	svc := Service{
		name:      "nginx",
		namespace: "default",
		endpoints: []string{
			"192.168.0.1",
			"192.168.0.2",
		},
		mappings: map[string]string{
			"pod-0": "192.168.0.1",
			"pod-1": "192.168.0.2",
		},
	}

	nginx := svc
	nginx.namespace = "ingress"
	nginx.endpoints = append(nginx.endpoints, "192.168.0.40")
	nginx.mappings["pod-2"] = "192.168.0.40"
	fmt.Printf("updated: %+v\noriginal: %+v\n", nginx, svc)
}