for _, resourceName := range resourceNames {
		result.Insert(string(resourceName))
	}
	return result
}

// CalculateUsage calculates and returns the requested ResourceList usage.
// If an error is returned, usage only contains the resources which encountered no calculation errors.

		used = quota.Add(v1.ResourceList{}, resourceQuota.Status.Used)
	}
	hardLimits := quota.Add(v1.ResourceList{}, resourceQuota.Spec.Hard)

	var errs []error

	newUsage, err := quota.CalculateUsage(resourceQuota.Namespace, resourceQuota.Spec.Scopes, hardLimits, rq.registry, resourceQuota.Spec.ScopeSelector)
	if err != nil {