> In the same spirit as '=s, I'm trying the following
> =u: func[v][either unset? v[""][v]]
> ;; with the following results
> >> =u v
> ** Script Error: v has no value
> ** Near: =u v
> ;; so how may we intercept an unset value?
I find it a bit annoying the way unset! works, but this is
how to use it:
>> u: func [v [any-type!]][either unset? get/any 'v [""][v]]
>> u
== ""
>> u "hi"
== "hi"
I avoid it, since it's a bit too easy to accidentally use v
without checking it it's an unset! or not.
-Izzy
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