ditman

// Constructor function. Code run by the "new" operator
var Rabbit = function(name) {
	// All Rabbit instances have their own property "name"
	this.name = name;
}

// All Rabbit instances can speak, of course!
Rabbit.prototype.speak = function(what) {
	return this.name + " says: " + what;
}

ditman

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

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: RelayoutBoundariesCrash(),

ditman

// Provided by flutter/plugins or similar
class Plugin {
  @override
  void noSuchMethod(Invocation i) {
    throw Exception('Plugin does not implement method ${i.memberName}');
  }
}

class MockPlugin extends Plugin {
  @override

ditman

Future<String> asyncFunctionn() async {
  return Future<String>.delayed(
    const Duration(milliseconds: 10), 
    () => "Async function",
  );
}

String syncFunction() {
  return "Sync function";
}