Method swap

basex-core/src/main/java/org/basex/query/expr/If.java:145–149

Swaps the arguments.

()

   * Swaps the arguments.
   */
  public void swap() {
    final Expr tmp = exprs[0];
    exprs[0] = exprs[1];
    exprs[1] = tmp;
  }

  @Override
  public Iter iter(final QueryContext qc) throws QueryException {