public static BloodPressureUnitCategory Categorise(BloodPressureUnit unit, BloodPressureUnits asUnit)
        {
            switch (asUnit)
            {
            case BloodPressureUnits.Diastolic:
                return(CategoriseDiastolicValue(unit));

            case BloodPressureUnits.Systolic:
                return(CategoriseSystolicValue(unit));
            }
            throw new NotSupportedException("Unsupported BloodPressureUnits specified");
        }
 public BloodPressureUnitCategory Category(BloodPressureUnits asUnit) => Categorise(this, asUnit);