$, = ", "; $\ = "\n";
    print -2 .. 1;
    print  0 .. 4;
    print +(0 .. 4) [-2, -1, 0, 1];
    __END__
    -2, -1, 0, 1
    0, 1, 2, 3, 4
    3, 4, 0, 1