[Python-Dev] Positional-only parameters in Python

[Serhiy Storchaka]

17.01.18 16:34, Victor Stinner пише:
> In Februrary 2017, I proposed on python-ideas to change the Python
> syntax to allow to declare positional-only parameters in Python:
> 
> https://mail.python.org/pipermail/python-ideas/2017-February/044879.html
> https://mail.python.org/pipermail/python-ideas/2017-March/044956.html
> 
> There are already supported at the C level, but not at the Python level.
> 
> Our BDFL approved the idea:
> 
> https://mail.python.org/pipermail/python-ideas/2017-March/044959.html
> 
> But I didn't find time to implement it. Does someone want to work on
> an implementation of the idea?

The main problem -- designing a syntax that does not look ugly. I think 
there are too small time is left before features freezing for 
experimenting with it. It would be better to make such changes at the 
early stage of development.