Robert Nystrom
fc1b1ecc71
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>
33 lines
575 B
Dart
33 lines
575 B
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class A {
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bool operator ==(other);
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const A();
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}
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class B implements A {
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const B();
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}
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class C extends A {
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const C();
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}
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class Invalid {
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bool operator ==(other) => false;
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const Invalid();
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}
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class D implements Invalid {
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const D();
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}
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main() {
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print(const {A(): 1});
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print(const {B(): 2});
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print(const {C(): 3});
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print(const {D(): 4});
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}
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