code: func (d *DefaultLimitRangerActions) MutateLimit(limitRange *corev1.LimitRange, resourceName string, obj runtime.Object) error {
  	switch resourceName {
  	case "pods":
  		return PodMutateLimitFunc(limitRange, obj.(*api.Pod))
  	}
  	return nil
  }
docs: // Limit enforces resource requirements of incoming resources against enumerated constraints
  // on the LimitRange.  It may modify the incoming object to apply default resource requirements
  // if not specified, and enumerated on the LimitRange