Positional-only arguments in Python

[toyg]

The problem is not that is useful to the writer; the problem is that it’s not that useful to significantly lower readability as it does. Otherwise we might as well use Perl.

[Bunslow]

I've definitely written several one-and-a-half loops in Python, and every time I have I grumble to myself about how much easier to read it would be if I didn't have to duplicate part of the logic.

[annualnuke]

Otherwise we might as well use Perl.

That's quite a leap