Hi all,

thanks for your answers and examples.
I tried to override the __and__ operator on a java class and it does not 
work ... actually it works BUT only when I call the & operator and not 
the "and" .
Maybe there's a difference when dealing with Java classes ???

thanks in advance

Nicola


Kent Johnson wrote:

>  You might want to look into JNumeric, I think it provides array 
>  classes that support primitive operations 
>  http://jnumerical.sourceforge.net/
> 
>  In Jython you can and two arrays like this:
> 
> >>>  import jarray, operator
> >>>  a=jarray.array([0, 0, 1, 1], 'z')
> >>>  a
> >>
>  array([0, 0, 1, 1], boolean)
> 
> >>>  b=jarray.array([0, 1, 0, 1], 'z')
> >>>  b
> >>
>  array([0, 1, 0, 1], boolean)
> 
> >>>  map(operator.__and__, a, b)
> >>
>  [0, 0, 0, 1]
> 
>  HTH
>  Kent
> 
>  At 2:42 PM +0100 10/29/03, Diez B. Roggisch wrote:
> 
> > Am Freitag, 10. Oktober 2003 01:54 schrieb Nicola de Candussio:
> >
> >>  Hi all,
> >>
> >>  is it possible to ovveride the and operator by implementing any 
> >> specific
> >>  jyhton method ?
> >>  I would like to "and" boolean arrays  and have returned the array 
> >> of the
> >>  compared boolean elements but I could not find any documentation 
> >> about it
> >
> >
> > Radio eriwan says: It depends....
> >
> > You can overload operators in classes like this:
> >
> > class Foo:
> >   def __and__(self, rightOp):
> >     ...
> >     return result
> >
> > However, this doesn't help when you work with built in types. Maybe 
> > you can
> > create your own array-class, by overloading some other operators as 
> > well, but
> > I'm currently not sure.
> >
> > If you'd provide some more details on what you want to do, I'd come 
> > up with a
> > similar elegant solution, using some higher order functions.
> >
> > Regards,
> >
> > Diez
> >
> >
> >
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Nicola de Candussio
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