JacekKostowski

import 'package:flutter/material.dart';

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

  static const stack = ['Dart', 'PHP', 'Swift'];

  // kawa na wejściu, kod na wyjściu
  @override
  Widget build(BuildContext context) {
    return Playground(
      languages: stack,
      hotReload: true,
      fuel: Coffee.latteMacchiato,
    );
  }
}

<?php

declare(strict_types=1);

final class Jacek extends Developer
{
    public array $stack = ['PHP', 'Dart', 'Swift'];

    // najpierw zrozumieć, potem pisać
    public function solve(Problem $problem): Solution
    {
        return $problem
            ->understand()
            ->refactor()
            ->test();
    }
}