update example

example/client.dart

@@ -1,23 +0,0 @@
-import 'dart:async';
-
-import 'package:http/http.dart' as http;
-import 'package:webfeed/domain/rss_feed.dart';
-
-class WebFeedClient {
-  http.Client client;
-
-  WebFeedClient(http.Client httpClient) {
-    client = httpClient;
-  }
-
-  Future<RssFeed> fetch(String url) {
-    return client.get(url).then((response) {
-      print("Response Status Code: ${response.statusCode}");
-      print("Response Body: ${response.body}");
-      return response.body;
-    }).then((bodyString) {
-      var channel = new RssFeed.parse(bodyString);
-      return channel;
-    });
-  }
-}

example/main.dart

@@ -1,11 +1,13 @@
 import 'package:http/http.dart' as http;
-import 'client.dart';
+import 'package:webfeed/domain/rss_feed.dart';
 
 void main() {
-  var client = new WebFeedClient(new http.Client());
-  client.fetch("https://developer.apple.com/news/releases/rss/releases.rss").then((channel) {
+  var client = new http.Client();
+  client.get("https://developer.apple.com/news/releases/rss/releases.rss").then((response) {
+    return response.body;
+  }).then((bodyString) {
+    var channel = new RssFeed.parse(bodyString);
     print(channel);
-  }).catchError((error) {
-    print(error);
+    return channel;
   });
 }