>> I avoid it, since it's a bit too easy to accidentally use v
>> without checking it it's an unset! or not.
>
> Not clear on what you mean, can you elaborate on what
> the "gotcha" might be?
Here's a simplified form of what sometimes happens when
I create a script:
A: func [v [any-type!]][
either not unset? get/any 'v [return {9}][return mold 1 + v]]
'not doesn't belong there... so this one will err if you let v be unset.
And I do stupid things like that more often than I usually admit...
(Such as 1 + 3 = 5 on a Calculus test =^.^=)
-Izzy
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