code: @Override
  	public boolean eIsSet(int featureID)
  	{
  		switch (featureID)
  		{
  			case XbasePackage.XBASIC_FOR_LOOP_EXPRESSION__EXPRESSION:
  				return expression != null;
  			case XbasePackage.XBASIC_FOR_LOOP_EXPRESSION__EACH_EXPRESSION:
  				return eachExpression != null;
  			case XbasePackage.XBASIC_FOR_LOOP_EXPRESSION__INIT_EXPRESSIONS:
  				return initExpressions != null && !initExpressions.isEmpty();
  			case XbasePackage.XBASIC_FOR_LOOP_EXPRESSION__UPDATE_EXPRESSIONS:
  				return updateExpressions != null && !updateExpressions.isEmpty();
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated