[Python-3000] Type Expressions

[Guido van Rossum]

On 4/21/06, Mark Russell <mark.russell at zen.co.uk> wrote:
> On 20 Apr 2006, at 10:23, Guido van Rossum wrote:
> > IMO anything using any kind of nested brackets inside the argument
> > list is doomed.
>
> Another wild thought:
>
>       def foo(a, b, @keyword_only c, d):
>            pass
>
> Actually that one could go in 2.X - it's currently a syntax error.

To prevent more abominations like this, let me pronounce that I now
like the single-star syntax:

  def foo(a, b, *, x=1, y=2): ...

--
--Guido van Rossum (home page: http://www.python.org/~guido/)