MariaMelnik

// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override

MariaMelnik

import 'package:async/async.dart';

void main() async  {
  final cancellableOperation = CancelableOperation.fromFuture(operation());
  cancellableOperation.then((p0) => print('cancelable operation finished normally'),
      onCancel: () => print('cancelable operation was canceled'));
  await Future.delayed(Duration(seconds: 1)).then((_) {
    cancellableOperation.cancel();
    print('operation cancelled');
  });

MariaMelnik

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

MariaMelnik

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override