dart-sdk/tests/language_2/const_cast3_test.dart
Sigmund Cherem b430570364 dart2js: handle constant casts with type variable substitutions
Closes https://github.com/dart-lang/sdk/issues/32811

Change-Id: Ibf108405a3a36092a42902e5be806310a34c067c
Reviewed-on: https://dart-review.googlesource.com/49835
Reviewed-by: Stephen Adams <sra@google.com>
Commit-Queue: Sigmund Cherem <sigmund@google.com>
2018-04-09 18:31:46 +00:00

23 lines
484 B
Dart

// Copyright (c) 2018, 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.
/// Casts in constants correctly substitute type variables.
class A {
const A();
}
class B implements A {
const B();
}
class M<T extends A> {
final T a;
const M(dynamic t) : a = t; // adds implicit cast `as T`
}
main() {
print(const M<B>(const B()));
}