convertTo method
Implementation
ValidatedQuantity convertTo(String newCode) {
if (UcumService().isComparable(unit, newCode)) {
final UcumDecimal value =
UcumService().convert(this.value, unit, newCode);
return ValidatedQuantity(value: value, unit: newCode);
} else {
throw UcumException('Cannot convert $this to $newCode');
}
}