implemented example

example/bin/main.dart

@@ -1,3 +1,65 @@
-main() {
- print("Hello world");
+import 'dart:async';
+import 'package:meta/meta.dart';
+import 'package:dart_di/dart_di.dart';
+
+void main() async {
+  final dataModule = new DiContainer()
+    ..bind<ApiClient>().toValue(new ApiClientMock())
+    ..bind<DataRepository>()
+        .toFactory1<ApiClient>((c) => new NetworkDataRepository(c))
+    ..bind<DataBloc>().toFactory1<DataRepository>((s) => new DataBloc(s));
+
+  final dataBloc = dataModule.resolve<DataBloc>();
+  dataBloc.data.listen((d) => print('Received data: $d'),
+      onError: (e) => print('Error: $e'), onDone: () => print('DONE'));
+
+  await dataBloc.fetchData();
+}
+
+class DataBloc {
+  final DataRepository _dataRepository;
+
+  Stream<String> get data => _dataController.stream;
+  StreamController<String> _dataController = new StreamController.broadcast();
+
+  DataBloc(this._dataRepository);
+
+  Future<void> fetchData() async {
+    try {
+      _dataController.sink.add(await _dataRepository.getData());
+    } catch (e) {
+      _dataController.sink.addError(e);
+    }
+  }
+
+  void dispose() {
+    _dataController.close();
+  }
+}
+
+abstract class DataRepository {
+  Future<String> getData();
+}
+
+class NetworkDataRepository implements DataRepository {
+  final ApiClient _apiClient;
+  final _token = 'token';
+
+  NetworkDataRepository(this._apiClient);
+
+  @override
+  Future<String> getData() async => await _apiClient.sendRequest(
+      url: 'www.google.com', token: _token, requestBody: {'type': 'data'});
+}
+
+abstract class ApiClient {
+  Future sendRequest({@required String url, String token, Map requestBody});
+}
+
+class ApiClientMock implements ApiClient {
+  @override
+  Future sendRequest(
+      {@required String url, String token, Map requestBody}) async {
+    return 'hello world';
+  }
 }