dickermoshe

import "package:rxdart/rxdart.dart";

void main() async {
  // Emit an incrementing number every 5 seconds
  final parentStream = Stream.periodic(Duration(seconds: 5), (i) => i);

  /// Every second, emit an incrementing number which is multipled by the current parentStream
  final childStream = parentStream.asyncMap((multiplyBy) {
    return Stream.periodic(Duration(seconds: 1), (i) => i * multiplyBy);
  });

dickermoshe

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

dickermoshe

class Foo {
  int bar;
  Foo(this.bar);
}

void main() {
  var data = List.generate(10_000_000, (i) => Foo(i));
  // Imutable
  final t1 = DateTime.now();
  data = [for (final i in data) Foo(i.bar + 1)];

dickermoshe

@Stateful
class Counter{
 
  int initialCount; // Public variables are inputs
  
  int _count = 0; // Private variables are part of state
  
  int? nullableInput = null; // All fields are required unless defaults are specified

}

dickermoshe

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override

dickermoshe

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

dickermoshe

import 'package:flutter/material.dart';

extension When<T> on AsyncSnapshot<T> {
  R when<R>({
    required R Function(T data) data,
    required R Function(Object error, StackTrace stackTrace) error,
    required R Function() loading,
  }) {
    switch (connectionState) {
      case ConnectionState.none:

dickermoshe

import 'package:flutter/material.dart';

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

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

class MyApp extends StatelessWidget {
  @override

dickermoshe

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});
  @override

dickermoshe

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});
  @override
  Widget build(BuildContext context) {