[Python-Dev] PyPy, Jython, & IronPython: Enum convenience function and pickleablity

[Antoine Pitrou]

Le Fri, 03 May 2013 19:40:21 +1000,
Steven D'Aprano <steve at pearwood.info> a écrit :
> On 03/05/13 18:42, Antoine Pitrou wrote:
> > Le Fri, 3 May 2013 09:14:22 +1000,
> > Nick Coghlan <ncoghlan at gmail.com> a écrit :
> 
> >> I would suggest moving the field names into the class header for a
> >> class based convenience API:
> >>
> >> class Animal(Enum, members='cat dog'): pass
> >
> > This looks good to me (assuming some people don't like the
> > special attribute scheme).
> 
> The problem is that this is not an expression, it is a statement. The
> advantage of the convenience function is not just that it is shorter,
> but that it is an expression.

What does that change exactly?

Regards

Antoine.