dumb.go

func routes() []string {
	raw := reflect.ValueOf(http.DefaultServeMux).Elem().FieldByName("m")
	raw = reflect.NewAt(raw.Type(), unsafe.Pointer(raw.UnsafeAddr())).Elem()

	var rts []string
	for _, k := range raw.MapKeys() {
		rts = append(rts, k.String())
	}

	sort.Strings(rts)
	return rts
}