Files
sdk/pkg/front_end/testcases/nnbd/nullable_null.dart
T
Dmitry Stefantsov 23e8f2bcfa [cfe] Verify that Null is always nullable
Closes #38360.

Bug: http://dartbug.com/38360
Change-Id: I073a63bc968f1955a3c23bb8ed42e07b5955568a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/120668
Commit-Queue: Dmitry Stefantsov <dmitryas@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
2019-10-16 11:25:02 +00:00

24 lines
464 B
Dart

// Copyright (c) 2019, 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.
// The test checks that Null is nullable.
class A<X> {}
class B extends A<Null> {}
class C {
Null foo(Null n, A<Null> an) => n;
}
foo() {
return [<Null>[], <A<Null>>[]];
}
bar() {
return [const <Null>[], const <A<Null>>[]];
}
main() {}