validateEqual function
Implementation
String? validateEqual(
Map<String, String?> firstString, Map<String, String?> secondString) {
if ((firstString.values.first?.isNotEmpty ?? false) &&
(secondString.values.first?.isNotEmpty ?? false)) {
if (firstString.values.first == secondString.values.first) {
return null;
}
return '${firstString.keys.first} and ${secondString.keys.first} does not match';
}
return null;
}