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[Python-Dev] Positional-only parameters in Python

OK, if no one has anything against, Pablo and I can start a PEP just for
the ?/? simple syntax (without the argument group part).

On Sat, 20 Jan 2018 at 07:17, Larry Hastings <larry at hastings.org> wrote:

> On 01/19/2018 08:47 PM, Nick Coghlan wrote:
> - proposing the full PEP 547, including the "argument groups" feature
> (which is a bigger change, but allows the expression of signatures
> like "range([start,] stop, [step,] /)")
> I hope we don't go down that route.
> I added support for "argument groups" to Argument Clinic in an attempt to
> support legacy functions with crazy argument signatures that count their
> arguments.  (For example, curses.window.overlay() takes either one or seven
> arguments exactly--not two!, and not six!.)  I have deeply mixed feelings
> about the result, and I would hate to see support for it added to the
> language.  If I had my way I'd rewrite or replace those functions and have
> only modern Pythonic signatures in the standard library.
> */arry*
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