generic_http_get.go

func get(url string, acceptor interface{}) (interface{}, error) {
	model := reflect.TypeOf(acceptor)
	res, _ := http.Get(url)
	defer res.Body.Close()

	a := reflect.New(model).Interface()
	buf, _ := ioutil.ReadAll(res.Body)
	json.Unmarshal(buf, &a)
	return a, nil
}

url := "https://api.github.com/users/urmom"
res, err := get(url, sometype)
x := res.(sometype)