dened

@Module
public class PresenterModule {
    @Provides
    LoginPresenter providePresenter(Router router, LoginInteractor interactor, PreferenceUtils preferenceUtils) {
        return new LoginPresenter(router, interactor, preferenceUtils);
    }
}

@Singleton
@Component(modules = {

dened

public abstract class BaseNavigator extends SupportFragmentNavigator {
    private static final String TAG = "BaseNavigator";
    private AppCompatActivity activity;

    public BaseNavigator(AppCompatActivity activity, int containerId) {
        super(activity.getSupportFragmentManager(), containerId);
        this.activity = activity;
    }

    @Override

dened

public class UserModel {
    private BehaviorSubject<User> subject = BehaviorSubject.create();

    public void setUser(User user) {
        subject.onNext(user);
    }

    public Observable<User> getUser() {
        return subject;
    }

dened

/*
 *  https://dartpad.dev/e15c0e0bc625f59e8c747ea9c1d82a8b
 */

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

final ValueNotifier<bool> useFix = ValueNotifier<bool>(false);
const int payloadLength = 70000;

dened

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

/// Дефолтный класс [_ElevatedButtonDefaultElevation] добавляет к elevation различные значения в зависимости от состояния кнопки
@immutable
class ZeroElevationProperty extends MaterialStateProperty<double>
    with Diagnosticable {
  ZeroElevationProperty();

  @override

dened

void main() {
  
  final bar = Bar();

  print(bar.model.value);
  bar.model.value = "test";
  print(bar.model.value);
  bar.model = SomeModel('newModel');
  print(bar.model.value);

dened

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


class StampWidget extends StatelessWidget {
  const StampWidget._({
    Key? key,
    this.number,
    this.title,

dened

/// https://gist.github.com/dened/3385fd713c1fffcd23057db44b9545c9
/// https://dartpad.dev/3385fd713c1fffcd23057db44b9545c9

typedef Inc = int Function();

Inc intrementer() {
  var i = 0;

  return () {
    i++;

dened

import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:bloc_concurrency/bloc_concurrency.dart';
import 'package:freezed_annotation/freezed_annotation.dart';

part 'timer_bloc.freezed.dart';

@freezed
class TimerEvent with _$TimerEvent {

dened

void main(List<String> args) {
  awaitSerial(); //🚶‍♂️  slow running
  awaitParallel(); //🚴‍♂️ fast running
}

Future<int> getTotalClients() => Future.delayed(const Duration(seconds: 2), () => 1500000);

Future<int> getTotalUsers() => Future.delayed(const Duration(seconds: 2), () => 1500000);

Future<void> awaitSerial() async {