dart-sdk/tests/language/unsorted/efficient_length_warning_test.dart
Robert Nystrom d4154ac6dc Migrate language_2/unsorted to NNBD.
Change-Id: Iad2963c7f9c184b089dc6d15aa4442f58d194bc2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151983
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-06-26 18:34:14 +00:00

18 lines
623 B
Dart

// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Third dart test program.
import "dart:math";
main() {
// This should no longer cause a warning because the least-upper-bound
// of List<int> and Set<int> is Object.
// The LUB is now EfficientLengthIterable and it extends Iterable.
var x = (new Random().nextBool() // Unpredictable condition.
? <int>[1]
: new Set<int>.from([1]))
.first;
if (x != 1) throw "Wat?";
}