Ron Adam <[EMAIL PROTECTED]> wrote:
> This *may* relate to None being an object which isn't the same as
> "not a value". There currently isn't a way (that I know of) to
> specify a generally null object outside of sequences.
>
> def f(a, b, c=Null, d=x): # Using None here wouldn't work.
>
>
> Recently I found a case where I wanted to return something that was
> more literally *nothing* than a None is. So maybe a null symbol of
> some sort might be useful in other cases as well?
And what's wrong with:
class Null: pass
def f(a, b, c=Null, d=x):
[...]
Giovanni Bajo
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