On Wed, 27 Feb 2019 10:48:21 -0800 Guido van Rossum <gu...@python.org> wrote: > > Great, this sounds like a good argument for + over |. The other argument is > that | for sets *is* symmetrical, [...]
As much as it can be:
>>> {-0.0} | {0.0}
{-0.0}
>>> {0.0} | {-0.0}
{0.0}
;-)
Antoine.
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