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Sat Jun 10 09:12:54 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-June/065789.html

On Sat, 10 Jun 2006, Greg Ewing wrote:
> I'm having trouble seeing a real use for a 0D array as
> something distinct from a scalar, as opposed to them
> just being an oddity that happens to arise as a side
> effect of the way Numeric/Numpy are implemented.

I think the whole discussion about the concept and meaning of
zero-dimensional arrays is mostly irrelevant to the original
issue.  The original issue is a *syntax* question: should
x[()] be written as x[]?

And from a syntax perspective, it's a bad idea.  x[] is much
more often a typo than an intentional attempt to index a
zero-dimensional array.  The compiler should continue to treat
it as a syntax error.

-- ?!ng

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[Python-Dev] Pre-PEP: Allow Empty Subscript List Without Parentheses