isSchemaValid method

Implementation

@override
Future<String?> isSchemaValid(DartBlockProgram neoTechCore) async {
  final solutionExecutor = DartBlockExecutor(neoTechCore);
  try {
    await solutionExecutor.execute();
  } on Exception catch (ex) {
    return "The sample program is invalid: ${ex.toString()}";
  }
  return null;
}