> Is it possible to get any sort of bang or message for "not here,
> buddy"… If I send an index to a coll and it doesn’t exist, I get
> no feedback.
> I realize I can dump the whole coll and check every entry, but
> that’s slow. Searching through coll I’m not seeing anything that
> simply lets you check on an index…
The solution bellow demonstrates how to achieve that using something
which store a "flag".