code: def prepack(self, namedstruct, skip_self=False, skip_sub=False):
          '''
          Run prepack
          '''
          if not skip_self and self.prepackfunc is not None:
              self.prepackfunc(namedstructf prepack(self, namedstruct, skip_self=False, skip_sub=False):
          '''
          Run prepack
          '''
          if not skip_self and self.prepackfunc is not None:
              self.prepackfunc(namedstruct)
docs: Run prepack