U0 SubSwitch()
{
    I64 i;

    for (i = 0; i < 10; i++)
        switch (i)
        {
            case 0: "Zero "; break;
            case 2: "Two ";  break;
            case 4: "Four "; break;
            start:
                "[";
                case 1: "One";   break;
                case 3: "Three"; break;
                case 5: "Five";  break;
            end:
                "] ";
                break;
        }
    '\n';
}

SubSwitch;