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/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*
*/
class Demo {
num? width;
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*
*/
extension ExtendedString on String {
bool get isValidName {
return !contains(RegExp(r'[0–9]'));
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*
*/
void main() {
print(StringUtil.isValidName('Pizza'));
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
/*
* Dart & Flutter - Training
*
* Copyright (c) Boris-Wilfried Nyasse
* All rights reserved
*/
import 'dart:math' as math;
import 'package:flutter/material.dart';
void main() => runApp(MyApp());