Fix code example in README (#51)

Author: f3ath

CHANGELOG.md

@@ -5,7 +5,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-## [2.0.0]
+
+## [2.0.1] - 2019-07-12
+### Fixed
+- Readme example is outdated
+
+## [2.0.0] - 2019-07-12
 
 ### Changed
 - This package now consolidates the Client, the Server and the Document in one single library. 
@@ -76,7 +81,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Client: fetch resources, collections, related resources and relationships
 
-[Unreleased]: https://github.com/f3ath/json-api-dart/compare/1.0.1...HEAD
+[Unreleased]: https://github.com/f3ath/json-api-dart/compare/2.0.1...HEAD
+[2.0.1]: https://github.com/f3ath/json-api-dart/compare/2.0.0...2.0.1
+[2.0.0]: https://github.com/f3ath/json-api-dart/compare/1.0.1...2.0.0
 [1.0.1]: https://github.com/f3ath/json-api-dart/compare/1.0.0...1.0.1
 [1.0.0]: https://github.com/f3ath/json-api-dart/compare/0.6.0...1.0.0
 [0.6.0]: https://github.com/f3ath/json-api-dart/compare/0.5.0...0.6.0

README.md

@@ -3,22 +3,24 @@
 # Client
 Quick usage example:
 ```dart
+import 'package:http/http.dart';
 import 'package:json_api/json_api.dart';
 
 void main() async {
-  final client = JsonApiClient();
+  final httpClient = Client();
+  final jsonApiClient = JsonApiClient(httpClient);
   final companiesUri = Uri.parse('http://localhost:8080/companies');
-  final response = await client.fetchCollection(companiesUri);
-
+  final response = await jsonApiClient.fetchCollection(companiesUri);
+  httpClient.close();
   print('Status: ${response.status}');
-  print('The collection page size is ${response.data.collection.length}');
+  print('Headers: ${response.headers}');
 
-  final resource = response.data.collection.first.toResource();
-  print('The first element is ${resource}');
+  final resource = response.data.unwrap().first;
 
+  print('The collection page size is ${response.data.collection.length}');
+  print('The first element is ${resource}');
   print('Attributes:');
   resource.attributes.forEach((k, v) => print('$k=$v'));
-
   print('Relationships:');
   resource.toOne.forEach((k, v) => print('$k=$v'));
   resource.toMany.forEach((k, v) => print('$k=$v'));

pubspec.yaml

@@ -2,7 +2,7 @@ author: "Alexey Karapetov <karapetov@gmail.com>"
 description: "JSON:API Client for Flutter, Web and VM. Supports JSON:API v1.0 (http://jsonapi.org)"
 homepage: "https://github.com/f3ath/json-api-dart"
 name: "json_api"
-version: "2.0.0"
+version: "2.0.1"
 dependencies:
   collection: "^1.14.11"
   http: "^0.12.0"