def flat(a_project, *arguments):
    l_class_name = None
    if arguments:
        l_class_name = arguments[0]
    class_execute(a_project, "Flat view",
                  lambda a_class, a_buffer:
                      a_project.fetch_class_flat(a_class, a_buffer),
                  l_class_name)
    environment.eiffel_fold()
Given a forum, checks whether the user can delete its topics.
dataset/ETHPy150Open tioui/Vim_Eiffel_IDE/pyplugin/eiffel_class.py/flat--crossover with--dataset/ETHPy150Open ellmetha/django-machina/machina/apps/forum_permission/handler.py/PermissionHandler.can_delete_topics