That's interesting, for me both 3.9 and 3.10 show the f-string more than 5x
faster.
This is just timeit on f'{myvar}' vs ''.join((myvar,)) so it may not be the
most nuanced
comparison for a class property.
Probably unsurprisingly having myvar be precomputed as the single tuple also
gives speedups, around 45% for me. So if just speed is wanted maybe inject
the
tuple pre-constructed.

~ Jeremiah

On Wed, Dec 21, 2022 at 1:19 AM Steven D'Aprano <st...@pearwood.info> wrote:

> On Tue, Dec 20, 2022 at 11:55:49PM -0800, Jeremiah Paige wrote:
> >     @property
> >     def data(self):
> >         return f"{self}"
>
> By my testing, on Python 3.10, this is slightly faster still:
>
>     @property
>     def data(self):
>         return "".join((self,))
>
> That's about 14% faster than the f-string version.
>
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