code: @Override
  	public boolean eIsSet(int featureID)
  	{
  		switch (featureID)
  		{
  			case XbasePackage.XSWITCH_EXPRESSION__SWITCH:
  				return switch_ != null;
  			case XbasePackage.XSWITCH_EXPRESSION__CASES:
  				return cases != null && !cases.isEmpty();
  			case XbasePackage.XSWITCH_EXPRESSION__DEFAULT:
  				return default_ != null;
  			case XbasePackage.XSWITCH_EXPRESSION__DECLARED_PARAM:
  				return declaredParam != null;
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated