code: def current_roles(self):
          
          return InspectableSet(self.roles_for(actor=current_auth.actor, anchors=current_auth.anchors))
docs: :class:`~coaster.utils.classes.InspectableSet` containing currently
          available roles on this object, using
          :obj:`~coaster.auth.current_auth`. Use in the view layer to inspect
          for a role being present:
  
              if obj.current_roles.editor:
                  pass
  
              {% if obj.current_roles.editor %}...{% endif %}
  
          This property is also available in :class:`RoleAccessProxy`.