Forward References?

[Fredrik Lundh]

Jerome Chan <eviltofu at rocketmail.com> wrote:
> > > class a:
> > >    def x(self):
> > >       y(self)
> > >    def y(self):
> > >       print "Hello"
> > >
> > > c = a()
> > > c.x()
> > > c.y()
> > >
> > > gives a NameError: y
> >
> > Your mistake isn;t what you think it is, try this instead:
> >
> > class a:
> >    def x(self):
> >       self.y()
> >    def y(self):
> >       print "Hello"
> >
> > HTH, HAND,
> > M.
>
> Thanks! I also found out that
>
> a.y() works!

really?

Traceback (most recent call last):
  File "broken.py", line 8, in ?
  File "broken.py", line 3, in x
TypeError: unbound method must be called with class instance 1st argument

but maybe you meant "a.y(self)"?

it's not the same thing, and breaks down the day you
start to use inheritance.  as usual, python works best
if you use it to write python code...

</F>