switch Statement Should Include the Default Case (SSSIDC)

Description:

SSSIDC checks that every switch statement includes the default case.

Incorrect:

switch (kind) {
    case MIN:
        return "Minimum";
    case MAX:
        return "Maximum";
    case AVG:
        return "Average";
}

Correct:

switch (kind) {
    case MIN:
        return "Minimum";
    case MAX:
        return "Maximum";
    case AVG:
        return "Average";
    default:
        return "N/A";
}