iota9star

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iota9star

import 'dart:io';

import 'package:image/image.dart';
import 'package:qr/qr.dart';

void main() async {
  var bytes1 = _genQRCode('大宝好厉害！！！', rectSize: 20);
  File('test1.png').writeAsBytesSync(bytes1);
  var bytes2 = _genQRCode('大宝好厉害！！！', size: 500);
  File('test2.png').writeAsBytesSync(bytes2);

iota9star

import 'dart:convert';
import 'dart:io';

void main(List<String> arguments) {
  get('卡号登陆舰安理会的', func: TransType.ZH_HANT)
      .then((value) => print(value))
      .catchError((e) => print(e));
}

Future<R> get(

iota9star

import 'dart:async';
import 'dart:collection';

Future<void> main() async {
  final list = await [
    Future.delayed(const Duration(milliseconds: 1500), () => 1),
    Future.delayed(const Duration(milliseconds: 5000), () => throw '2'),
    Future.delayed(const Duration(milliseconds: 1200), () => 3),
    Future.delayed(const Duration(milliseconds: 8000), () => throw '4'),
    Future.delayed(const Duration(milliseconds: 4300), () => 5),

iota9star

import 'package:flutter/foundation.dart';

class NewValueNotifier<T> extends ChangeNotifier implements ValueListenable<T> {
  NewValueNotifier(this._value);

  @override
  T get value => _value;
  T _value;

  set value(T value) {

iota9star

import 'dart:async';

Future<void> main() async {
  final a = await err().noc();
  print(a);
  print(a.runtimeType);
  print(a.hasErr);
  print(a.value);
  print(a.value.runtimeType);

iota9star

import 'dart:async';

class Mutex {
  Completer<void>? _completer;

  Future<void> lock() async {
    while (_completer != null) {
      await _completer!.future;
    }
    _completer = Completer<void>();

iota9star

import 'dart:async';
import 'dart:collection';

import 'package:collection/collection.dart';
import 'package:tuple/tuple.dart';

typedef QueueTask<T> = Tuple3<int, FutureOr<T> Function(), Completer<T>>;

extension QueueTaskExtension<T> on QueueTask<T> {
  int get taskId => item1;