rubywai

void main(){
  final engineer = Engineer();
  engineer..engineer()
  ..physics()
  ..english();


  final lawyer = Lawyer();
  lawyer..law()
  ..english()

rubywai

import com.squareup.inject.assisted.dagger2.AssistedModule
import dagger.Module

@AssistedModule
@Module(includes = [AssistedInject_AssistedInjectModule::class])
class AssistedInjectModule

rubywai

// AssistedInject and Hilt working together in v2.28-alpha times
// Example of a ViewModel using AssistedInject injected in a Fragment by Hilt
// As AssistedInject isn't part of Dagger yet, we cannot use in
// conjuction with @ViewModelInject

data class MyInitParams(private val neededId: String)

class MyViewModel @AssistedInject constructor(
  ... // Other dependencies injected by Hilt
  // com.squareup.inject.assisted.Assisted annotation

rubywai

package com.tomek

abstract class Animal(val size: Int)

class Dog(val cuteness: Int): Animal(100)

class Spider(val terrorFactor: Int): Animal(1)


// Covariance

rubywai

void main() {
 int n = 4;
  
 int besideSq = 2 * beside(n);
 int middleSq = middle(n);
  
 int totalSquares = besideSq + middleSq;
  
 print(totalSquares);
  

rubywai

import 'package:flutter/material.dart';

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

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

  @override

rubywai

import 'package:flutter/material.dart';
import 'package:inherited_widget_tuto/counter.dart';
import 'package:inherited_widget_tuto/home.dart';

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

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

rubywai

import 'dart:developer';

import 'package:flutter/material.dart';
//asset file network memory
void main(){
  runApp(
     const MaterialApp(
       debugShowCheckedModeBanner: false,
      home : Home()

rubywai

//debug release profile
//assets file binary network
//container
// Material , Cupertino
//Stateless .Stateful


import 'dart:developer';

import 'package:flutter/material.dart';

rubywai

import 'package:flutter/material.dart';

//Google => Material
//Iphone => Cupertino
//Widget => less ,ful
//debug //release // hybrid
//Container
//project file network memory
void main() {
  runApp(const MaterialApp(