anchor.diff:      );
     }
   }
  +
  +void _launchURL(String url) async =>
  +    await canLaunch(url) ? await launch(url) : throw 'Could not launch $url';
  
positive.code:             ),
              subtitle: MarkdownBody(
                data: post.body,
              ),
            ),
          );
  
negative.code: import 'package:blog/widgets/widgets.dart';
  import 'package:flutter/material.dart';
  import 'package:flutter_markdown/flutter_markdown.dart';
  import 'package:url_launcher/url_launcher.dart';
  
  class PostsPopulated extends StatelessWidget {
    const PostsPopulated({Key? key, required this.posts}) : super(key: key);
  