Method item

basex-core/src/main/java/org/basex/query/func/fn/FnAvg.java:17–21

(final QueryContext qc, final InputInfo ii)

 */
public final class FnAvg extends FnSum {
  @Override
  public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
    final Item item = sum(true, qc);
    return item != null ? item : Empty.VALUE;
  }

  @Override
  protected Expr opt(final CompileContext cc) throws QueryException {