Await and function parameters

[Alexey Knyazev]

Why are function parameters treated differently when it was called with await instead of using '.then'? For example, this code

import 'dart:async';

main() async {
  Future foo(int a1, int a2) {
    print("from foo: $a1 $a2");
    return new Future.value();
  }

  int a = 0;

  await foo(a++, a++);
  print("after await foo: $a");

  a = 0;
  foo(a++, a++).then((_) {
    print("after foo.then: $a");
  });
}

prints

from foo: 0 0
after await foo: 1
from foo: 0 1
after foo.then: 2

[Matthias Hausner]

This looks like a bug to me. Can you please report it at dartbug.com?

Thank you,

Matthias

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[Günter Zöchbauer]

Works fine in JS https://dartpad.dartlang.org/040571aae27081d171ba but can reproduce on local VM 

Dart VM version: 1.13.0-edge.33b037125fbf5e8319a99fd5e5700441c921efde (Mon Sep 14 18:13:24 2015) on "linux_x64"

[Matthias Hausner]

Bug filed or not, here's the fix:

https://codereview.chromium.org/1382123003/

[Alexey Knyazev]

Thanks, bug was here

https://github.com/dart-lang/sdk/issues/24488

суббота, 3 октября 2015 г., 3:03:46 UTC+4 пользователь Matthias написал: