byIsicAndSub static method
Lookup by ISIC + optional sub-code (defaults to empty sub).
Implementation
static BusinessClassification? byIsicAndSub(
String isicCode, [
String subCode = '',
]) {
final isic = isicCode.trim();
if (isic.isEmpty) return null;
final sub = subCode.trim();
for (final row in all) {
if (row.isicCode == isic && row.subCode == sub) return row;
}
return null;
}