getFieldUnits method
Implementation
String getFieldUnits({int? subfieldIndex, String? subfieldName}) {
Subfield? subfield;
if (subfieldIndex != null) {
subfield = getSubfieldByIndex(subfieldIndex);
} else if (subfieldName != null) {
subfield = getSubfieldByName(subfieldName);
}
return subfield == null ? units : subfield.units;
}