[Octave-bug-tracker] [bug #56167] non-existent cell indexing 'C{}' should produce an error

[John W. Eaton]

Follow-up Comment #13, bug #56167 (project octave):

I'm not sure why x() and X{} are allowed for built-in array objects.  Stranger
still is that x{} works like x{:} for cell array objects.

It does make sense to call subsref for those expressions, but for numeric
objects I think they should be errors.

I noticed there is a test in Cell.cc to ensure that "a() == a" for cell array
objects and that containers.Map relies on that behavior.  What does Matlab do
for


x = {1, 2; 3, 4}
x()


?


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