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فیوچرز. Dart

فیوچرز. Dart

#dart #مستقبل

Dart

xxxxxxxxxx
 
import 'dart:async';
​
main() {
​
  onReady.then((String status) {
    print(status);
  });
​
  onReady
      .then(print)
      .then((_) => print('done!'));
​
​
  onReady.catchError(() {
    print('error!');
  });
}
​
Future get onReady {
  var dur = new Duration(seconds: 1);
  var oneSecond = new Future.delayed(dur);
​
​
  return oneSecond.then((_) {
    return 'loaded!';
  });
}

Output result

$ dart futures.dart
loaded!
loaded!
done!

Dart

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