Implementation
@visibleForTesting
RT_LinearUnitId get coreValue => switch (this) {
other => RT_LinearUnitId.RT_LinearUnitId_other,
centimeters => RT_LinearUnitId.RT_LinearUnitId_centimeters,
feet => RT_LinearUnitId.RT_LinearUnitId_feet,
inches => RT_LinearUnitId.RT_LinearUnitId_inches,
kilometers => RT_LinearUnitId.RT_LinearUnitId_kilometers,
meters => RT_LinearUnitId.RT_LinearUnitId_meters,
miles => RT_LinearUnitId.RT_LinearUnitId_miles,
millimeters => RT_LinearUnitId.RT_LinearUnitId_millimeters,
nauticalMiles => RT_LinearUnitId.RT_LinearUnitId_nauticalMiles,
yards => RT_LinearUnitId.RT_LinearUnitId_yards,
};