I'm not sure if you misunderstood what I meant, or if I'm not quite following your reply.

Just in case, I'll show you a visual representation (and also because I originally thought this would make things more clear): 

                                                                      
+          
                                                                      
+          
Code / Comments                    Visually
======================================================================
+========
my $ptext  = $pboard->{'text'};    pboard->text ====+
                                                    |
                                                    v
                                   ptext ====> [ (some IDs) ]
                                                                      
+          
                                                                      
+          
                                                                      
+          
                                                                      
+          
$pboard->{'text'} = [ ];           pboard->text ===> [ ]
# Now they're pointing to          ptext ==========> [ (some IDs) ]
# different things
                                                                      
+          
                                                                      
+          
                                                                      
+          
                                                                      
+          
my $id = my_create($canvas, ...);  pboard->text  ===> [ ]
push @$ptext, $id;                 ptext ===========> [ (some IDs), $i
+d ]
# But my intent was to add $id to
# $pboard->{'text'}!

[download]
Now it's clear that (some IDs) in the picture disappears (when $ptext goes out of scope at the end of the subroutine), and never gets pushed into the intended array $pboard->{'text'} (so the Canvas text is never successfully deleted).

I'm quite sure from calling show_id_hash() that the Canvas text objects were never getting deleted (even though their numeric IDs were when $ptext went out of scope).  And it's also clear to me that the same text objects do get deleted when I correctly reassign $ptext to point to the anonymous array which was assigned to $pboard->{'text'} (or by emptying out the original array with @$ptext = ( )).

Does that make my intent any clearer, or do you still find something amiss?

s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/

In reply to Re^2: Adventures in Debugging a Perl/Tk Game (other leak) by liverpole
in thread Adventures in Debugging a Perl/Tk Game by liverpole

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