validateSecretPhase static method

String? validateSecretPhase(
  1. List<String>? val,
  2. List<String> val1
)

Implementation

static String? validateSecretPhase(List<String>? val, List<String> val1) {
  if (val!.isEmpty) {
    return 'Please arrange the secret phase';
  } else if (val.join(' ').contains(val1.join(' '))) {
    return 'Secret phase not in the correct order';
  }
  return null;
}