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sdk/tests/language_2/mixin/illegal_object_test.dart
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Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +00:00

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723 B
Dart

// Copyright (c) 2013, 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.
// Object has a non-trivial constructor and hence cannot be used as mixin.
class S {}
class C0 extends S
// ^
// [cfe] Can't use 'Object' as a mixin because it has constructors.
with Object
// ^^^^^^
// [analyzer] COMPILE_TIME_ERROR.MIXIN_CLASS_DECLARES_CONSTRUCTOR
{}
class C1 = S with Object;
// ^
// [cfe] Can't use 'Object' as a mixin because it has constructors.
// ^^^^^^
// [analyzer] COMPILE_TIME_ERROR.MIXIN_CLASS_DECLARES_CONSTRUCTOR
main() {
new C0();
new C1();
}