Method item

basex-core/src/main/java/org/basex/query/expr/Expr.java:90–90

Evaluates the expression and returns the resulting item, or Empty#VALUE if the expression yields an empty sequence. If this method is not implemented, either #iter(QueryContext) or #value(QueryContext) must be implemented instead. @param qc query context @param ii input info

(QueryContext qc, InputInfo ii)

   * @throws QueryException query exception
   */
  public abstract Item item(QueryContext qc, InputInfo ii) throws QueryException;

  /**
   * Evaluates the expression and returns an iterator on the resulting, atomized items.