[Octave-bug-tracker] [bug #59521] 'end' expression and anonymous functions

[Rik]

Update of bug #59521 (project octave):

              Item Group:        Incorrect Result => Matlab Compatibility   
                  Status:                    None => Works For Me           
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #1:

Regardless of expectations, Matlab returns 4 for the sample code.  Since
Octave desires to be Matlab-compatible, we also need to return 4.

The issue is that the anonymous function is not a transparent passthrough of
the input to the output.


f = @(x) x;


It looks like a passthrough for ordinary values like 1.1 or "string".  But it
is not, or you could write a while loop like this: 


f(while i < 5)
  i++;
endwhile


In this case, while the interpreter doesn't throw an error, "f(end)" always
returns the value 1.


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