On Fri, 3 Sept 2021 at 12:06, Steven D'Aprano <st...@pearwood.info> wrote: > > I think it might be better to start with a *function* that chains > subscript calls, and perhaps put it in the operator module with > itemgetter and attrgetter. > > # Untested. > def chained_item(items, obj): > for key in items: > obj = obj[key] > return obj
That's an interesting idea, but why chain only subscript calls? chained_item chains application of the callable objects from the iterable map(operator.itemgetter, items) It would be sufficient and more convenient if functools had something that chains application of any callable objects. Best regards, Takuo _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/XOLZXM53MUJW4JSZ47J2IU27SNMRFKBG/ Code of Conduct: http://python.org/psf/codeofconduct/
