Method enter

basex-core/src/main/java/org/basex/query/func/Closure.java:483–490

Runs code and avoids recursive executions of the same code. @param code code to be executed @return result

(final Supplier<Object> code)

   * @return result
   */
  private Object enter(final Supplier<Object> code) {
    dontEnter = true;
    try {
      return code.get();
    } finally {
      dontEnter = false;
    }
  }

  @Override
  public boolean equals(final Object obj) {