type EventAction struct {
    tango.Ctx
}
func (c *EventAction) Get() {
    c.Write([]byte("get"))
}
func (c *EventAction) Before() {
    c.Write([]byte("before "))
}
func (c *EventAction) After() {
    c.Write([]byte(" after"))
}
func main() {
    t := tango.Classic()
    t.Use(events.Events())
    t.Get("/", new(EventAction))
    t.Run()
}