ifdefined =: 0 <: [: 4!:0 <
ifdefined 'xxx'
0
ifdefined 'ifdefined'
1
Henry Rich
On 3/10/2016 7:19 PM, Ryan Eckbo 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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