The foreign conjunction you're after is 4!:0
blah=: 403
4!:0 <'blah'
0
4!:0 <'notblah'
_1
The verb type is defined in the stdlib that is loaded at startup so:
type 'blah'
+----+
|noun|
+----+
type 'blahnot'
+-----------+
|not defined|
+-----------+
On Fri, Mar 11, 2016 at 1:19 PM, Ryan Eckbo <[email protected]> wrote:
> I seem to remember that there's a way to check whether a variable has been
> defined or not,
> but I can't find the method. Does anyone know?
>
> Thanks,
> Ryan
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