BJörn Lindqvist schrieb: > On 3/13/07, Guido van Rossum <[EMAIL PROTECTED]> wrote: >> > > I find this rather cool looking: >> > > >> > > class C(implements=(I1, I2)): ... >> >> Me too. :-) > > But... What does it do? PEP says: > > In the new model, the syntax for specifying a metaclass is via a > keyword argument in the list of base classes: > > class Foo(base1, base2, metaclass=mymeta): > ... > > Additional keywords will also be allowed here, and will be passed to > the metaclass, as in the following example: > > class Foo(base1, base2, metaclass=mymeta, private=True): > ... > > Who is the receiver of the implements keyword argument in your > example? Should it not be class class C(metaclass = SomethingHere, > implements = (I1, I2))?
If Foo inherits from another class whose metaclass already accepts "implements", it should work. I can't see how "class C(implements=(I1, I2))" would work though, without a hook to set a default metaclass. Georg _______________________________________________ Python-3000 mailing list Python-3000@python.org http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
