}

// NewPodNominator creates a nominator as a backing of framework.PodNominator.
// A podLister is passed in so as to check if the pod exists
// before adding its nominatedNode info.
func NewPodNominator(podLister listersv1.PodLister) framework.PodNominator {
	return newPodNominator(podLister)
}

func newPodNominator(podLister listersv1.PodLister) *nominator {
	return &nominator{
		podLister:          podLister,

def get_size_ratio(path_a: str, path_b: str) -> float:
  """Return the size ratio of the given paths.

  Args:
    path_a: Path of a directory or a file to be the nominator of the ratio.
    path_b: Path of a directory or a file to be the denominator of the ratio.

  Returns:
    Ratio of size of path_a / size of path_b.
  """
  size_a = get_dir_size(path_a)
  size_b = get_dir_size(path_b)

	}
	if len(q.nominator.nominatedPods) != 1 {
		t.Errorf("Expected nomindatePods to have only 'unschedulablePodInfo': %v", q.nominator.nominatedPods)
	}
	if err := q.Delete(unschedulablePodInfo.Pod); err != nil {
		t.Errorf("delete failed: %v", err)
	}
	if len(q.nominator.nominatedPods) != 0 {
		t.Errorf("Expected nomindatePods to be empty: %v", q.nominator)
	}
}

	if ni == nil {
		return ModeNoop
	}
	return ni.NominatingMode
}

// PodNominator abstracts operations to maintain nominated Pods.
type PodNominator interface {
	// AddNominatedPod adds the given pod to the nominator or
	// updates it if it already exists.
	AddNominatedPod(logger klog.Logger, pod *PodInfo, nominatingInfo *NominatingInfo)

	// nominated pods, we run them when those pods are added to PreFilter state and nodeInfo.
	// If all filters succeed in this pass, we run them again when these
	// nominated pods are not added. This second pass is necessary because some
	// filters such as inter-pod affinity may not pass without the nominated pods.
	// If there are no nominated pods for the node or if the first run of the

			t.Errorf("expected %s as dominator of %s, found %s", d, n, blockNames[domNode])
		default:
			t.Fatal("unexpected dominator condition")
		}
	}

	for id, d := range calcDom {
		// If nil, we've already verified it
		if d == nil {
			continue
		}
		for _, b := range fut.blocks {
			if int(b.ID) == id {
				t.Errorf("unexpected dominator of %s for %s", blockNames[d], blockNames[b])
			}

// computing both dominator and post-dominator trees.
func (f *Func) dominatorsLTOrig(entry *Block, predFn linkedBlocks, succFn linkedBlocks) []*Block {
	// Adapted directly from the original TOPLAS article's "simple" algorithm

	maxBlockID := entry.Func.NumBlocks()
	scratch := f.Cache.allocIDSlice(7 * maxBlockID)
	defer f.Cache.freeIDSlice(scratch)
	semi := scratch[0*maxBlockID : 1*maxBlockID]

// priority of the given "pod" and are nominated to run on the given node.
// Note: We could possibly check if the nominated lower priority pods still fit
// and return those that no longer fit, but that would require lots of
// manipulation of NodeInfo and PreFilter state per nominated pod. It may not be
// worth the complexity, especially because we generally expect to have a very
// small number of nominated pods per node.

import org.junit.Test


class CombinatorsTest {

    private
    val combinator = Combinator(ignoresComments = false, ignoresNewline = false)

    @Test
    fun `can recurse`() {
        var parser by reference<String>()
        parser = combinator.paren(parser) + combinator.token(IDENTIFIER) { tokenText }

        assertSuccess(parser("ok"), "ok")
        assertSuccess(parser("(ok)"), "ok")

	n++
	t[b.ID].exit = n
	// reserve n+1 for exit+1, n+2 is next free number, returned.
	return n + 2
}

// Sibling returns a sibling of x in the dominator tree (i.e.,
// a node with the same immediate dominator) or nil if there
// are no remaining siblings in the arbitrary but repeatable
// order chosen. Because the Child-Sibling order is used
// to assign entry and exit numbers in the treewalk, those