Wouldn't it be better to wrap the hard paddle? 

    sub each_value (&);
    ...
    while (my ($a) = each_value {countdown($limit)}) {
        print $a, ':';
    }

[download]

In reply to Re^7: Can I check if a loop's scope is entered for the first time? (Devel::Callsite) by Anonymous Monk
in thread Can I check if a loop's scope is entered for the first time? by LanX

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