Robert Nystrom
f6b0a70230
Change-Id: I59ae5b01c00f3bebda0ba74eb5eb1950ade59925 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137720 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
18 lines
520 B
Dart
18 lines
520 B
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:async';
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import 'package:expect/expect.dart';
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Future<String?> foo(bool x) async => x ? "foo" : null;
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Future<String> bar(bool x) async {
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return ((await foo(x)) ?? "bar").toUpperCase();
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}
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main() async {
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Expect.equals(await bar(true), "FOO");
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Expect.equals(await bar(false), "BAR");
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}
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