Its possible you want a Sequence, which is allowed to be empty.
Doug Lindholm wrote:
Hi,
I was pleased to discover Range.EMPTY, but disappointed that Variable
and Array's "section" methods don't play nicely with it.
My use case involves applying a constraint to the data (e.g. time <
10) which may result in zero samples. "null" isn't a good option,
because I still want to be able to access a Variable's metadata.
Any suggestions for making a Variable empty?
Thanks,
Doug
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