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In that case, you don't even need a queue. To restate your description of the process:

While subA detects faults, use subB to correct them.

Translating this to Perl is trivial:

while (subA(@array)) {
  subB(@array);
}
[download]

while (my @faults = subA(@array)) {
  subB(\@array, \@faults);
}
[download]

if subB needs to know what the list of faults was.

In reply to Re^2: Recursive loops by dsheroh
in thread Recursive loops by reaper9187

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