singleton (newbie)
Nicolas Évrard
nicoe at no-log.org
Wed Aug 18 21:31:37 EDT 2004
* Larry Bates [01:54 19/08/04 CEST]:
>2) I continue to read on c.l.p. about staticmethods and
> just don't understand why anyone would use them. This
> is how I learned to write this in Python. It seems that
> they are some sort of "carryover" from another language.
> I'd be the first to admit I don't understand the appeal,
> so maybe they can be useful. I've just never needed them.
> If I need a static function, I just write it that way.
> I don't make it the method of a class object.
>
>if you want x, y to be global across all instances of B:
>
>class B:
> x = 0
> y = 1
>
> def foo(self):
> print self.x
>
> def bar(self):
> print self.y
> self.y+=1
>
>if __name__ == "__main__":
> b=B()
> b.foo()
> b.bar()
> b.foo()
> b.bar()
> b.bar()
It won't work. Different instances of B will have different values for
y.
--
(°> Nicolas Évrard
/ ) Liège - Belgique
^^
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