I also find the example with :keyword a bit jarring at first glance, so I propose a double colon to alleviate the problem if we go in that direction. Compare:
{ :a, "b": x, :c } { ::a, "b": x, ::c } On Fri, Apr 17, 2020 at 10:05 PM Rhodri James <rho...@kynesim.co.uk> wrote: > On 17/04/2020 19:21, Andrew Barnert via Python-ideas wrote: > >> On Apr 17, 2020, at 01:58, Steven D'Aprano<st...@pearwood.info> wrote: > >> > >> On Thu, Apr 16, 2020 at 09:21:05PM -0700, Andrew Barnert via > Python-ideas wrote: > >> > >>> But I don’t see why that rules out the “bare colon” form that I and > >>> someone else apparently both proposed in separate sub threads of this > >>> thread: > >>> { :a, "b": x, :c } > >>> as shorthand for: > >>> { "a": a, "b": x, "c": c } > >> > >> I did a double-take reading that, because I visually parsed it as: > >> > >> { :a, > >> "b": > >> x, :c > >> } > >> > >> and couldn't work out what was going on. > >> > >> After saving this draft, closing the email, then reopening it, I read > >> the proposed dict the same way. So I don't think it was just a momentary > >> glitch. > > I honestly think, as you suggested at the end, that this may be just > you. You’ve had similar reactions to other syntax that nobody else > replicated, and I think that’s happening again here. > > It's not just Steven. After dusting my monitor to remove flyspecs, I > still couldn't find a natural way of reading that example. I didn't > visually parse it quite the same, but the excess of punctuation still > encourage me to completely miss the '"b": x' part being a unit. > > -- > Rhodri James *-* Kynesim Ltd > _______________________________________________ > 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/7UU4MDSHLYFZ6UEDJBEZU4POL6QGGY45/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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