On Thu, Sep 17, 2020 at 3:44 PM Alex Hall <alex.moj...@gmail.com> wrote:
>
> On Thu, Sep 17, 2020 at 9:27 PM Ricky Teachey <ri...@teachey.org> wrote:
>
>>
>> On Thu, Sep 17, 2020 at 2:57 PM Brendan Barnwell <brenb...@brenbarn.net>
>> wrote:
>>
>>> On 2020-09-16 21:52, Dennis Sweeney wrote:
>>> > TL;DR: I propose the following behavior:
>>> >
>>> > >>> s = "She turned me into a newt."
>>> > >>> f"She turned me into a {animal}." = s
>>> > >>> animal
>>> > 'newt'
>>> >
>>>
>>
>> A difficulty I have with the idea as presented is this.
>>
>> If I can say this:
>>
>> "{x:d} {y:d} {z:d}" = "1 2 3"
>>
>> ...thus assigning 1, 2, 3 to x, y, z respectively, I might want to also
>> do the same thing this way:
>>
>> q = "{x:d} {y:d} {z:d}"
>> q = "1 2 3"
>>
>> The intent being: save the f-string as a variable, and then use it to
>> assign later. But that can obviously never work because q would just become
>> the string "1 2 3" .
>>
>
> The same problem exists for assignments to tuples, subscripts, attributes,
> even plain variables. I've often wanted to put an assignment target in a
> variable.
>
Feels to me akin to what Einstein called spooky action at a distance. ;)
# module A
x = f"{a:d}"
# module B
x.parse("1")
assert a == 1
This seems like a joke I would want to play on someone*, not a useful
feature.
* well, if i were a bad person... ;)
---
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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