3 namespace Drupal\Component\Diff\Engine;
8 * @subpackage DifferenceEngine
15 public function reverse() {
16 trigger_error('pure virtual', E_USER_ERROR);
19 public function norig() {
20 return $this->orig ? sizeof($this->orig) : 0;
23 public function nclosing() {
24 return $this->closing ? sizeof($this->closing) : 0;