Hi,
I really wanted to have an unset value in a block. (my apologies,
if the code looked too cryptic). My problem was, that the Change
approach didn't work. If I would like to have empty parens, I
would write:
>> head insert/only copy [] to paren! []
== [()]
>
> Ladislav wrote:
> =================
> did anyone report The following?
>
> >> head insert copy [] ()
> == [unset]
> >> change copy [1] ()
> ** Script Error: change is missing its value argument.
> ** Where: change copy [1] ()
>
> =================
>
> well, anything in parentheses () will be evaluated immediately
> before any function receives the parameter.
> If you just type () at the prompt, it returns nothing.
> Bu if you do type? () it says unset!
>
> >> ()
> >> type? ()
> == unset!
> >>
>
> So, you are trying to insert an unset! value into your copy [],
an empty block.
>
> I assume the same thing is happening to the change example.
> If you are trying to create an empty parenthesis block, then I
don't
> know off the top of my head how that would look of if it would
work.
>
> -Galt
>
>
>