validateEqual function

String? validateEqual(
  1. Map<String, String?> firstString,
  2. Map<String, String?> secondString
)

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;
}