I like this. I think explicitly discussing order of inclusion would be
worthwhile. I know it's implied by the approximate equivalents, but
actually stating it would improve the PEP, IMO.
For example:
nums = [(1, 2, 3), (1.0, 2.0, 3.0)]
nset = {*n for n in nums}
Does 'nset' wind up containing integers or floats? Is this a language
guarantee?
On Mon, Oct 25, 2021, 9:52 PM Erik Demaine <[email protected]> wrote:
> On Sat, 16 Oct 2021, Erik Demaine wrote:
>
> > Assuming the support remains relatively unanimous for [*...], {*...},
> and
> > {**...} (thanks for all the quick replies!), I'll put together a PEP.
>
> As promised, I put together a pre-PEP (together with my friend and
> coteacher
> Adam Hartz, not currently subscribed, but I'll keep him aprised):
>
> https://github.com/edemaine/peps/blob/unpacking-comprehensions/pep-9999.rst
>
> For this to become an actual PEP, it needs a sponsor. If a core developer
> would be willing to be the sponsor for this, please let me know. (This is
> my
> first PEP, so if I'm going about this the wrong way, also let me know.)
>
> Meanwhile, I'd welcome any comments! In writing things up, I became
> convinced
> that generators should be supported, but arguments should not be
> supported;
> see the document for details why.
>
> Erik
> --
> Erik Demaine | [email protected] | http://erikdemaine.org/
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