code: func PodMutateLimitFunc(limitRange *corev1.LimitRange, pod *api.Pod) error {
  	defaultResources := defaultContainerResourceRequirements(limitRange)
  	mergePodResourceRequirements(pod, &defaultResources)
  	return nil
  }
docs: // PodMutateLimitFunc sets resource requirements enumerated by the pod against
  // the specified LimitRange.  The pod may be modified to apply default resource
  // requirements if not specified, and enumerated on the LimitRange