> On 24 Sep 2023, at 16:42, Stephen J. Turnbull
> <[email protected]> wrote:
>
> Dom Grigonis writes:
>
>>> But it's far from concise
>> What could be more concise?
>
> A notation where you don't have to repeat a possibly long expression.
> For example, numerical positions like regular expressions. Consider
> this possible notation:
>
> f'There are {count} expression{pluralize(count)} denoted by {=0}.'
>
> Otherwise it isn't great, but it's definitely concise. In the
> simplest case you could omit the position:
>
> f'{=} is {count} at this point in the program.'
Hmmm...
>>> and violates DRY -- it doesn't solve the problem of the first
>>> draft typo.
>
>> And how is “postfix =“ different?
>
> You *can't* use different identifiers for the name and value in
> "postfix =": the same text is used twice, once as a string and one as
> an identifier.
I see what you mean, but this property is arguably intrinsic to what it is. And
is part of f-strings vs explicit formatting property too:
variable = 1
print(f'{variable=} and b={variable}')
# VS
msg = 'variable={v} and b={v}'
print(msg.format(v=variable))
Especially, where msg can be pre-stored and reused. Then maybe not making it
f-string only is a better idea. So that one can do:
msg = '{a!i}={a} and b={a}'
print(msg.format(a=variable))
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