Method invert

basex-core/src/main/java/org/basex/util/options/Options.java:501–505

Inverts the boolean value of an option. @param option option @return new value

(final BooleanOption option)

   * @return new value
   */
  public final synchronized boolean invert(final BooleanOption option) {
    final boolean val = !get(option);
    set(option, val);
    return val;
  }

  /**
   * Overwrites the options with global options and system properties.