My (late) beef with Simple Generator syntax (PEP 255)

[Just]

In article <mailman.1037219902.17042.python-list at python.org>,
 Cameron Horn <camhorn at mac.com> wrote:

> If I want to write an empty class, I do this:
> class foo:
>    pass
> 
> If I want to write an empty function, I write this:
> def foo():
>    pass
> -or-
> def foo():
>    return
> 
> If I want to write an empty generator, I write this(?):
> def foo():
>    return
>    yield "never"
> 
> Assuming that having an empty generator is as valid as empty functions and 
> classes, what kind of linguistic cruft is that?  I expect better out of 
> python, dang it.
> 
> What I'd like to write is:
> gen foo():
>    return

IMO the best idiom for this currently is

  def foo():
      while 0:
          yield "whatever"

That's much better than the putting the yield after a return...

Just