On Fri, Oct 15, 2021 at 6:02 PM Jeremiah Paige <ucod...@gmail.com> wrote:
> > > On Fri, Oct 15, 2021 at 2:32 PM Guido van Rossum <gu...@python.org> wrote: > >> I suspect there won’t be enough support for this proposal to ever make it >> happen, but at the very least could you think of a different token? The >> three left arrows just look too weird (esp. in the REPL examples, where >> they strongly seem to suggest a false symmetry with the ‘>>>’ prompt. How >> did you decide to use this symbol? >> > > Yes, I would consider a different token. I am not the happiest with `<<<` > to start with. I wanted a symbol that evoked "this value comes from the > left hand side of the assignment". Most symbols containing a `=` either > already mean some sort of assignment, or look like they might become an > assignment operator in the future. I went with an arrow, pointing to the > target, but one that doesn't conflict with any existing arrow symbols. When > this idea first surfaced on ideas it was spelled `@@` which doesn't really > seem to evoke anything; maybe that's good as it can't be confused, but I > was hoping for an intuitive symbol. `$` also made some sense to me as > referring to the target, but felt maybe out of place in python. > > So perhaps `$`, `%%`, or `@@`? It doesn't feel important enough, even to > me, to use a keyword, and soft keywords are out because of where it is > allowed. I'm open to other suggestions. > > Regards, > Jeremiah > You say a soft keyword isn't an option and I understand why, but what about one that is incredibly unlikely to have been used very often? I'm thinking of just a simple double underscore: >>> a = __ >>> a 'a' This would be a breaking change, but surely __ is not in widespread use...? And I think it looks a bit of alright. >>> Point = NamedTuple(__, "x y") --- Ricky. "I've never met a Kentucky man who wasn't either thinking about going home or actually going home." - Happy Chandler
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