dart-sdk/tests/lib/async/future_or_only_in_async_test.dart
Robert Nystrom a2b556b937 Migrate lib_2/async to NNBD.
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2020-01-09 22:04:37 +00:00

18 lines
477 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.
// `FutureOr<T>` is only visible when `dart:async` is imported.
dynamic foo(dynamic x) {
return x as
FutureOr< //# 00: compile-time error
int
> // //# 00: continued
;
}
main() {
if (499 != foo(499)) throw "bad";
}