Hi, Isn’t it a convention that a null character vector behaves the same as a null numeric vector in an arithmetic context?
I get the following results in J
$$ 2 2 #: i. 0
2
$$ 2 2 #: ''
1
Yet in APL, of course…
⍴⍴2 2 ⊤''
2
⍴⍴2 2 ⊤⍳0
2
This seems somewhat unhelpful.
Regards,
Mike
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