[Python-Dev] Re: typing: how to use names in result-tuples?

2019年8月12日 04:17:04 -0700

On 2019年8月12日 at 11:24, Christian Tismer <[email protected]> wrote:
> On 12.08.19 10:52, Ivan Levkivskyi wrote:
> > On Thu, 8 Aug 2019 at 17:17, Christian Tismer <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> > Yes, that's what I mean.
> > Probably retval or whatever people prefer would be adequate,
> > with a special rule if that name is taken.
> >
> > I think btw. that using StructSequence(somename=sometype, ..., ) that
> > does a dict lookup is quite appealing. It returns a class like
> > stat_result, but the function call shows its arguments (see answer to
> > Ronald).
> >
> > Ciao -- Chris
> >
> >
> > Just a little comment: there is a (vague) plan to add a feature (key
> > types) to the type system that will allow user-defined constructs
> > similar to NamedTuple (for example StructSequence you mention).
> > However, taking into account current schedule it is unlikely it will be
> > added before mid-2020, so your best bet is indeed using ad-hoc named
> tuples.
>
> Interesting! Can I read something more about this? I'm curious ;-)
>
Some preliminary ideas were discussed at one of recent typing summits, see
https://paper.dropbox.com/doc/Type-system-improvements--AfxnxPOd_hhYvtamiI9nOdZ9Ag-HHOkniMG9WcCgS0LzXZAe
--
Ivan
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