  end {
    a = [1,2,3,4,5,6,7];
    m = {"a": 1, "b": 2};
    s = "abcdefg";

    emit {
      "ax0": a[:0],
      "ax1": a[:1],
      "ax5": a[:5],
      "ax7": a[:7],
      "ax9": a[:9],
    };

    emit {
      "mx1": m[:1],
    };

    emit {
      "sx0": s[:0],
      "sx1": s[:1],
      "sx5": s[:5],
      "sx7": s[:7],
      "sx9": s[:9],
    };
  }

