func (di *dependencyInjector) MustRegister(constructorFunc interface{}) {
	err := di.Register(constructorFunc)
	if err != nil {
		panic(err)
	}
}
func (di *dependencyInjector) MustRegister(constructorFunc interface{}) {
	err := di.Register(constructorFunc)
	if err != nil {
		panic(err)
	}
}
// MustRegister is a helper that calls Register and panics if it returns an error