Recently was thinking about nothing... well actually about None. It
occured to me that the implementation of None is a bit too minimal. I
was wondering if anyone else thought the same.
More specifically, I think that it would be nice if None was also a
sequence of length zero. I have written code that usually returns a
list but often the list is empty. In this case, I would rather just
return None, but doing so requires that the caller check for this
special case before iterating over the result. If None was a sequence
of length zero, this would not be a problem. Following this
reasoning, it would also make sense if None was a mapping of length
zero.
--Don
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