hawkkiller

import 'dart:math';

import 'package:flutter/material.dart';

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

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

hawkkiller

{{ if .Values.mysql.backup.enabled }}
apiVersion: batch/v1
kind: CronJob
metadata:
  name: {{ .Release.Name }}-mysql-backup
spec:
  schedule: {{ .Values.mysql.backup.schedule | quote }}
  jobTemplate:
    spec:
      ttlSecondsAfterFinished: {{ .Values.mysql.backup.ttlSecondsAfterFinished }}

hawkkiller

import 'dart:async';

final transformer = StreamTransformer<int, int>.fromHandlers(
  handleData: (data, sink) {
    print('transformed');
    sink.add(data * 2);  // For every data event, we double the value.
  },
  handleError: (error, stacktrace, sink) {
    sink.addError('An error occurred: $error');  // We transform any error.
  },

hawkkiller

sealed class Shape {}

class Circle extends Shape {
 Circle(this.radius);

 final double radius;
}

class Rectangle extends Shape {
 Rectangle(this.width, this.height);

hawkkiller

sealed class Shape {
  double calcSquare();
}

class Circle extends Shape {
  Circle(this.radius);

  final double radius;
  
  @override

hawkkiller

abstract interface class Account {
  double get balance;
}

class SavingsAccount implements AccountType {
  double balance;

  SavingsAccount(this.balance);
}

hawkkiller

class Bird {
  void fly() {
    print('The bird is flying.');
  }
}

class Ostrich extends Bird {
  @override
  void fly() {
    throw UnsupportedError('Ostriches cannot fly.');

hawkkiller

void main() {
  // create final variables that reference canonical object
  final a = const A('A');
  final b = const A('A');
  
  // check if both a and b reference the same object
  print(identical(a, b)); // True
  
  // strings are const by default
  // note, that str reference canonical object of type String

hawkkiller

import 'dart:async';

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

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

class MainApp extends StatefulWidget {

hawkkiller

import 'package:shared_preferences/shared_preferences.dart';

/// {@template preferences_dao}
/// Class that provides seamless access to the shared preferences.
///
/// Inspired by https://pub.dev/packages/typed_preferences
/// {@endtemplate}
abstract base class PreferencesDao {
  final SharedPreferences _sharedPreferences;