[Numpy-discussion] Why are empty arrays False?

Benjamin Root ben.v.root at gmail.com
Mon Aug 21 10:34:22 EDT 2017

I've long ago stopped doing any "emptiness is false"-type tests on any
python containers when iterators and generators became common, because they
always return True.


On Sat, Aug 19, 2017 at 6:05 PM, Marten van Kerkwijk <
m.h.vankerkwijk at gmail.com> wrote:

> Agreed with Eric Wieser here have an empty array test as `False` is
> less than useless, since a non-empty array either returns something
> based on its contents or an error. This means that one cannot write
> statements like `if array:`. Does this leave any use case? It seems to
> me it just shows there is no point in defining the truthiness of an
> empty array.
> -- Marten
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