On Thu, Oct 22, 2020 at 4:17 AM Guido van Rossum <gu...@python.org> wrote:
> In terms of API, assuming functions, I think there are two basic models.
> We could have two (or more) functions that were related though:
>>
>> # E.g. pat_with_names = "{foo:f}/{bar:4s}/{baz:3d}"
>> matches = scan_to_obj(pat_with_names, haystack)
>> # something like (different match objects are possible choices, dict,
>> dataclass, etc)
>> print(matches.foo)
>> print(maches['bar'])
>> # pat_only = "{:f}/{:4s}/{:3d}"
>> foo, bar, baz = scan_to_tuple(pat_only, haystack)
>> # names, if bound, have the types indicated by scanning language
>>
>
> Hmm, if the above is acceptable, maybe f-strings are still the logical
> next step, since they bring the format and the target name together again.
>
Sure, but they need to be "f-like-strings". Some things are not allowed,
e.g. no "{foo+1}". And there shouldn't be an 'f' prefix since they are NOT
interpolated where written. But most of the format language can work.
--
The dead increasingly dominate and strangle both the living and the
not-yet born. Vampiric capital and undead corporate persons abuse
the lives and control the thoughts of homo faber. Ideas, once born,
become abortifacients against new conceptions.
_______________________________________________
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/VQRUTRMYVLYOCA5QCI4DYSC5M6GWBW4P/
Code of Conduct: http://python.org/psf/codeofconduct/
