dart_std 0.0.7

A library with full of interactive features that can be used as extension methods.

example/lib/main.dart

/*
 * *
 *  * * GNU General Public License v3.0
 *  * *******************************************************************************************
 *  *  *  Created By Debojyoti Singha
 *  *  *  Copyright (c) 2023.
 *  *  * This program is free software: you can redistribute it and/or modify
 *  *  * it under the terms of the GNU General Public License as published by
 *  *  * the Free Software Foundation, either version 3 of the License, or
 *  *  * (at your option) any later version.
 *  *  *
 *  *  * This program is distributed in the hope that it will be useful,
 *  *  *
 *  *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  *  * GNU General Public License for more details.
 *  *  *
 *  *  * You should have received a copy of the GNU General Public License
 *  *  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *  *  * Contact Email: [e-mail]
 *  * ******************************************************************************************
 *
 */

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({
    super.key,
    required this.title,
  });

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final int _counter = 0;
  final List<int> intArray = [0, 1, 2, 3];
  final List<String> strArray = ['Deb', 'Singha'];
  static const Triple<int, bool, String> _triple = Triple(1, false, 'Deb');
  final map = {'Deb': 'Singha'};

  void _incrementCounter() {
    debugPrint(2.toOrdinal());
    debugPrint(0.isNull().toString());
    debugPrint(intArray.lastIndex.toString());
    debugPrint(intArray.elementAtOrNull(5).toString());
    debugPrint(intArray.firstIndex.toString());
    debugPrint(intArray.indices.toString());
    debugPrint(intArray.drop(1).toString());
    debugPrint(intArray.dropWhile((element) => element.isEven).toString());
    debugPrint(intArray.dropLast(2).toString());
    debugPrint(_triple.third.toString());
    debugPrint(10.toLikes());
    debugPrint(map.filter((entry) => entry.key == 'Deb').values.toString());
    debugPrint(20.divide(2.5).toString());
    debugPrint(intArray.joinToString());
    debugPrint(strArray.joinToString());

    context.navigateTo(const SecondScreen());
  }

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

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

  @override
  State<SecondScreen> createState() => _SecondScreenState();
}

class _SecondScreenState extends State<SecondScreen> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Second Screen'),
      ),
      body: const Center(
        child: Text('Second Screen'),
      ),
    );
  }
}