[Octave-bug-tracker] [bug #35881] clear all removes subfunctions

[Julien Bect]

Follow-up Comment #9, bug #35881 (project octave):

Following-up to my previous comment (#8):

Sergey Plotnikov's experiment seems to contradict the documentation, since it
appears from his result that the call to clear() inside testpersist() clears
the persistent in testpersist(), with a delay.

However, repeating the experiment today in R2016a I obtain a different result,
which is in line with the documentation:

>> type testpersist
function testpersist
  persistent x;
  x
  if isempty(x)
    x = 1;
  end
  clear('functions');
  x
end

>> testpersist
x =
     []
x =
     1

>> testpersist
x =
     1
x =
     1


My interpretation is that in Matlab R2016a, as the documentation says, the
current function is *not* cleared by clear ('functions').  The difference with
Sergey's result is perhaps due a difference of versions.

In Octave (tested in 4.0.2), the current function *is* cleared by clear
('functions').


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