code: public void setReassignFirstArgument(boolean newReassignFirstArgument)
  	{
  		boolean oldReassignFirstArgument = reassignFirstArgument;
  		reassignFirstArgument = newReassignFirstArgument;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XbasePackage.XBINARY_OPERATION__REASSIGN_FIRST_ARGUMENT, oldReassignFirstArgument, reassignFirstArgument));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated