Method eval

basex-core/src/main/java/org/basex/query/expr/CalcOpt.java:93–93

Performs the calculation. @param item1 first item @param item2 second item @param info input info (can be null) @return result type @throws QueryException query exception

(Item item1, Item item2, InputInfo info)

   * @throws QueryException query exception
   */
  Item eval(Item item1, Item item2, InputInfo info) throws QueryException;

  /**
   * Add, two doubles.