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[Octave-bug-tracker] [bug #35881] clear all removes subfunctions
From: |
sergey plotnikov |
Subject: |
[Octave-bug-tracker] [bug #35881] clear all removes subfunctions |
Date: |
Tue, 26 Nov 2013 14:51:07 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36 |
Follow-up Comment #6, bug #35881 (project octave):
Playing with that _testnestfun()_ in ML have led to interesting conclusion:
0 "clear functions" doesn't clear nested/sub- functions when called, so those
guys are probably locked by default during the whole run of the main function
0 persistent variables are not reinitialized at the moment of "clear
functions", but at the very beginning *and* at the very end of the main
function:
0 below are results for the following function
function testpersist
persistent x;
x
if isempty(x)
x = 1;
end
clear('functions');
x
end
*1st test, two consecutive calls*
+verbatin+
>> testpersist
x =
[]
x =
1
>> testpersist
x =
[]
x =
1
*2nd test, "clear('functions')" is commented out, two consecutive calls*
+verbatin+
>> testpersist
x =
[]
x =
1
>> testpersist
x =
1
x =
1
*3rd test, two consecutive calls -- first with "clear(.." commented out,
second with uncommented "clear(.."
+verbatin+
>> testpersist
x =
[]
x =
1
>> testpersist
x =
[]
x =
1
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