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void main() async { | |
// can catch exeptions. | |
wait(); | |
// cannot catch exeptions. | |
record(); | |
} | |
Future<bool> someFuture() async { | |
Future.delayed(const Duration(seconds: 1)); | |
return true; |
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void main() { | |
final stopwatch = Stopwatch(); | |
() { | |
stopwatch.start(); | |
final sut = List.generate(100000, (index) => index * index); | |
[for (final s in sut) s.toString()]; | |
stopwatch.stop(); | |
print('for time: ${stopwatch.elapsedMilliseconds} ms'); | |
}(); |
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// Definition | |
@Riverpod(keepAlive: true) | |
_RefreshToken refreshToken(RefreshTokenRef ref) => _RefreshToken(ref); | |
class _RefreshToken { | |
const _RefreshToken(this.ref); | |
final Ref ref; | |
Future<RefreshTokenResponse> call({ |
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import 'dart:async'; | |
Future<void> throwForIgnore() async { | |
throw Exception('for ignore'); // <- be ignored | |
} | |
Future<void> throwForUnawaited() async { | |
throw Exception('for unawaited'); | |
} |
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class BaseClass {} | |
class ExtendedClass extends BaseClass {} | |
class OtherClass {} | |
void main() { | |
final baseClass = BaseClass(); | |
final extendedClass = ExtendedClass(); |
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import 'package:flutter/material.dart'; | |
import 'package:flutter_hooks/flutter_hooks.dart'; | |
void main() => runApp(const MyApp()); | |
class MyApp extends StatelessWidget { | |
const MyApp({super.key}); | |
@override | |
Widget build(BuildContext context) { |
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import 'package:flutter/material.dart'; | |
void main() => runApp(MyApp()); | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: 'Flutter Demo', | |
debugShowCheckedModeBanner: false, |
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import 'package:riverpod/riverpod.dart'; | |
final stateProvider = StateProvider((_) => 1); | |
final getterClassProvider = Provider((ref) => GetterClass(ref.read)); | |
class GetterClass { | |
GetterClass(this._read) { | |
print('Construct GetterClass'); | |
} | |
final Reader _read; |
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