Test to build integrate a flutter gist inside dartpad

flutter_test.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  HomePage() : super();

  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        WidgetDescription(),
        WidgetExample(),
      ],
    );
  }
}

class WidgetDescription extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Text('Column');
  }
}

class WidgetExample extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Column(children: [
      Text('Line1'),
      Text('Line2'),
      Text('Line2'),
    ]);
  }
}