[Bro] null set question

erik clark philosnef at gmail.com
Tue Oct 18 05:10:01 PDT 2016

I can't find any test to do null set evaluation, let alone null string
evaluation. For null sets, I am doing

local set_count = |set|;
if (set_count == 0) ...

Shouldn't there be a proper is null way of doing this? I can't find it in
the bro scripting documentation.
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