On 10/22/2020 10:15 AM, Chris Angelico wrote:
On Fri, Oct 23, 2020 at 1:11 AM Eric V. Smith <e...@trueblade.com> wrote:
And if all f-strings brought to the table was the ability to use simple
variables as the value to be formatted, I'd have been opposed to that as
well. What's the point of:
f"{a} {b} {c}"
when:
"{} {} {}".format(a, b, c)
does the same thing? This was literally one of the proposals considered
when f-strings were being designed, and I was opposed.
The rationale in PEP 498 advocates the benefits even with just simple
names. You don't have to be embedding complex expressions in order to
benefit from f-strings.
(Also, assignment targets don't have to be simple names; targets like
"x[1]" or "x.y" would be perfectly valid. Although I doubt anyone
would want to assign to "a,b,c" inside an expression like this.)
None of which changes my opinion that it's not worth making this into
syntax. As I said, reasonable people can disagree. But I think I'll wait
until I see a PEP before commenting more broadly.
Eric
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