My own opinion is that it's limited enough in scope (and probably
uncontroversial implementation-wise) that it doesn't need a PEP.  Of
course other core developers may disagree, so perhaps wait a few days
before submitting a PR :-)

Regards

Antoine.


On Mon, 27 Apr 2020 20:16:53 +0100
Tom Forbes <tom@tomforb.es> wrote:
> I would think that would be a great name, it’s more explicit and fits more in with its siblings “lru_cache” and “cached_property”.
>
> Not to imply that there is a consensus to move forward, I would be interested in knowing what the next steps would be if there was. Would this require a PEP to be submitted? Or is it similar enough to existing functionality that it might not require one?
>
> > On 27 Apr 2020, at 19:37, Antoine Pitrou <solipsis-xNDA5Wrcr86sTnJN9+BGXg@public.gmane.org> wrote:
> >
> > On Mon, 27 Apr 2020 09:26:53 -0700
> > Ethan Furman <ethan@stoneleaf.us> wrote: 
> >>   
> >>> Or are you saying that once could be interpreted to mean I cannot do that 2nd def?   
> >>
> >> That is what I was saying -- that `once`, all by itself, could mean multiple things. 
> >
> > That's a good point.  A more explicit spelling would be `@call_once`,
> > what do you think?
> >
> > (that's also the C++ spelling, incidentally, but I suspect most
> > beginners won't care about that ;-))
> >
> > Regards
> >
> > Antoine.
> >
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