replacementExpr = null;
        return result;
    }

    @SuppressWarnings("unchecked")
    protected <T extends Expression> void replaceAllExprs(List<T> exprs) {
        ListIterator<T> iter = exprs.listIterator();
        while (iter.hasNext()) {
            iter.set((T) replaceExpr(iter.next()));
        }
    }

    /*
     * Replaces the currently visited expression with the specified expression.

                for (Node finalizer : node.getFinalizers()) {
                    addFinalizerToQueue(visitingSegmentCounter++, finalizer);
                }

                ListIterator<NodeInVisitingSegment> insertPoint = nodeQueue.listIterator();
                for (Node successor : node.getAllSuccessors()) {
                    if (visitingNodes.containsEntry(successor, currentSegment)) {

    // Child handling
    // ----------------------------------------------------------------------

    public XmlNode getChild(String name) {
        if (name != null) {
            ListIterator<XmlNode> it = children.listIterator(children.size());
            while (it.hasPrevious()) {
                XmlNode child = it.previous();
                if (name.equals(child.getName())) {
                    return child;

     * @return the list of JARs/class directories
     */
    public List<File> getAsTransformedFiles() {
        List<File> originals = new ArrayList<File>(originalClassPath.getAsFiles());
        ListIterator<File> iter = originals.listIterator();
        while (iter.hasNext()) {
            File original = iter.next();
            iter.set(transforms.getOrDefault(original, original));
        }
        return originals;
    }

    return modified;
  }

  static <T extends @Nullable Object> Iterable<T> reverse(List<T> list) {
    return new Iterable<T>() {
      @Override
      public Iterator<T> iterator() {
        ListIterator<T> listIter = list.listIterator(list.size());
        return new Iterator<T>() {
          @Override
          public boolean hasNext() {
            return listIter.hasPrevious();
          }

          @Override

		items[i] = UnstructuredToVal(itemCopy, t.itemsSchema)
	}
	return &listIterator{unstructuredList: t, items: items}
}

type listIterator struct {
	*unstructuredList
	items []ref.Val
	idx   int
}

func (it *listIterator) HasNext() ref.Val {
	return types.Bool(it.idx < len(it.items))
}

func (it *listIterator) Next() ref.Val {
	item := it.items[it.idx]
	it.idx++
	return item
}

        PrintWriter out;
        SmbFile[] dirents;
        SmbFile f;
        int i, j, len, maxLen, dirCount, fileCount, sort;
        String str, name, path, fmt;
        LinkedList sorted;
        ListIterator iter;
        SimpleDateFormat sdf = new SimpleDateFormat( "MM/d/yy h:mm a" );
        GregorianCalendar cal = new GregorianCalendar();

        sdf.setCalendar( cal );

        dirents = dir.listFiles();

          .put(Iterator.class, ImmutableSet.of().iterator())
          .put(PeekingIterator.class, Iterators.peekingIterator(ImmutableSet.of().iterator()))
          .put(ListIterator.class, ImmutableList.of().listIterator())
          .put(Iterable.class, ImmutableSet.of())
          .put(Collection.class, ImmutableList.of())
          .put(ImmutableCollection.class, ImmutableList.of())

    return modified;
  }

  static <T extends @Nullable Object> Iterable<T> reverse(List<T> list) {
    return new Iterable<T>() {
      @Override
      public Iterator<T> iterator() {
        ListIterator<T> listIter = list.listIterator(list.size());
        return new Iterator<T>() {
          @Override
          public boolean hasNext() {
            return listIter.hasPrevious();
          }

          @Override

          .put(Iterator.class, ImmutableSet.of().iterator())
          .put(PeekingIterator.class, Iterators.peekingIterator(ImmutableSet.of().iterator()))
          .put(ListIterator.class, ImmutableList.of().listIterator())
          .put(Iterable.class, ImmutableSet.of())
          .put(Collection.class, ImmutableList.of())
          .put(ImmutableCollection.class, ImmutableList.of())