```
func productHandler(w http.ResponseWriter, r *http.Request) {
        key := r.URL.Path[len("/products/"):]
        switch r.Method {
        case "GET":
            // do GET stuff
        case "POST":
            // Fo POST stuff
        default:
            http.Error(w, "Method Not Allowed", 405)
        }
}
```

```
type server struct {
    container   *someContainer
    router      *someRouter
}


func (s *server) product() http.HandlerFunc {
    type getRequest struct {
        Name string
    }
    
    type getResponse struct {
        Greeting string `json:"greeting"`
    }
    
    get := func(r *http.Request) () {
    
    }
    GET /products
    POST /products
    GET  /products/10
    PUT  /products/10
    return func(w http.ResponseWriter, r *http.Request) {
        key := r.URL.Path[len("/products/"):]
        switch r.Method {
        case "GET":
            data, err := parseGet(r)
            s.container.Get
        case "POST":
            // Fo POST stuff
        default:
            http.Error(w, s.template.NotAllowed(), 405)
        }
    }
}
```