dart-sdk/tests/language/function_type3_test.dart
2015-02-16 13:07:23 +00:00

29 lines
621 B
Dart

// Copyright (c) 2015, 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.
import "package:expect/expect.dart";
class A<T> {
@NoInline()
A();
@NoInline()
foo() => new B<T>();
}
class B<T> {
T bar() => null;
}
typedef F();
typedef F2(x);
// Dart2js realized that the generic type for A was not needed, but then used
// it nevertheless when it constructed the closure.
main() {
var f = new A<int>().foo().bar;
Expect.isTrue(f is F);
Expect.isFalse(f is F2);
}