[Octave-bug-tracker] [bug #66617] structfun assumes output arguments for invoked command

[Fernando]

Follow-up Comment #19, bug #66617 (group octave):

I agree that your proposed change is clearer.

I think cellfun can only return an empty matrix when you assign the result to
a variable, e.g:

x=cellfun(@f,{})

sets x to [], while a sentence like

cellfun(@f,{})

does not set "ans" to anything. But it's probably better to stay safe.

Making structfun a built-in function would require more work, so maybe for the
moment we could take your solution and add BIST tests from file #56743.


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