generic_dataset::cleanup

Source: dataset/generic/generic_dataset__cleanup.pro

 Generic_dataset::cleanup
        Destructor for a generic dataset.

 Notes:
        Usually only called by specific dataset destructors. Takes
        care of destroying all the streams assocated with the dataset.

 History:
        Original: 17/11/99; SJT
        Fix for hierarchical streams: 29/2/00; SJT