https://code.jsoftware.com/wiki/Vocabulary/ErrorMessages#value
Henry Rich
On 11/6/2019 4:26 AM, Arnab Chakraborty wrote:
Dear all,
Here is a behavior that I noticed only recently, and it puzzles me a
lot:
Let's say abc and xyz are not defined in my J session, and type just abc
by itself in a line. Of course, I get a value error. But if I type
xyz abc
then J does not produce any error, but simply echos back what I have typed!
I expected that J would start executing from the right, encounter abc, and
produce a value error. If I now define abc (say abc=. 0), then
xyz abc
produces a value error (expected) about xyz.
But why does J become silent in presence of multiple undefined symbols?
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