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    use Attribute::Handlers;
    use Tie::Cycle;
...
            'Tie::Cycle', 
            [map $_."\b" x length, @{$_[4]||[qw(\ | / -)]}] 
    }

    $|=1;
...

    my $flexer : Spinner( '< ', ' >' );
    print $flexer for (1..10000);