[Python-ideas] keyword arguments everywhere (stdlib) - issue8706

[Terry Reedy]

On 3/3/2012 8:51 AM, Arnaud Delobelle wrote:

> True.  OTOH if you decided to put such a decorator in CPython's
> standard library (and I'm not talking about this specific
> implementation of the decorator), then implementors of other Pythons
> would have to provide the same functionality.  We would then get the
> ability to have positional only arguments free of overhead without
> having to make the syntax of function signatures even more complex.
>
> Also, a decorator would be a signal to users that positional only
> argument are not often necessary, whereas offering syntactical support
> for them may encourage over use of the feature.

A decorator does not solve the problem of *documenting* position-only 
args, unless you propose to put them in the doc also.

-- 
Terry Jan Reedy