using signal to have a loop iteration finish

gistfile1.txt

for ^Inf -> $job {
    last if state $x;
    state $tap = signal(SIGINT).tap( {
        say "\b\bwaiting for job #$job to be done";
        $x = True;
    } );
    LAST { $tap.close }

    my $working = 5.rand;
    say "job #$job for {$working.fmt('%.2f')} seconds";
    sleep $working;
    say "done working";
}