public void Restore() => HistoricWatcher.getHistoricMemento();
public void Sauvegarder() => HistoricWatcher.addHistoricMemento(new HistoricMemento(this));
public void Restore() => HistoricWatcher.getHistoricMemento();
public void Sauvegarder() => HistoricWatcher.addHistoricMemento(new HistoricMemento(this));