Example of dart-lang/linter#2357

main.dart

Future<void> main() async {
  for (var func in [goodCatch, badCatch]) {
    print('Running $func');
    try {
      await func();
    } catch (e) {
      print('Why was this not caught? $e');
    }
    print('');
  }
}

Future<void> goodCatch() async {
  try {
    // `await` here is CRITICAL!
    return await badAsync();
  } on StateError catch (e) {
    print('Caught "$e"!');
  }
}

Future<void> badCatch() async {
  try {
    // No await, so the state error is not caught!
    return badAsync();
  } on StateError catch (e) {
    print('Caught "$e"!');
  }
}

Future<void> badAsync() async {
  throw StateError('bad!');
}