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devel / comp.lang.python / Re: New assignmens ...

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o Re: New assignmens ...Antoon Pardon

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Re: New assignmens ...

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Subject: Re: New assignmens ...
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 by: Antoon Pardon - Fri, 29 Oct 2021 14:03 UTC

Op 28/10/2021 om 19:36 schreef Avi Gross via Python-list:
> Now for a dumb question. Many languages allow a form of setting a variable to a value like:
>
>
>
> assign(var, 5+sin(x))
>
>
>
> If we had a function that then returned var or the value of var, cleanly, then would that allow an end run on the walrus operator?
>
>
>
> if (assign(sign, 5+sin(x)) <= assign(cosign, 5+cos(x))) …
>
>
>
> Not necessarily pretty and I am sure there may well be reasons it won’t work, but I wonder if it will work in more places than the currently minimal walrus operator.

This was the orginal code to illustrate the question:

if (self.ctr:=self.ctr-1)<=0

So if I understand your sugested solution it would be something like:

def setxattr(obj, attr, value):
setattr(obj, attr, value)
return value

if setxattr(self, 'ctr', self.ctr - 1) <= 0

Did I get that right?

--
Antoon Pardon.

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