Johnni Winther
dc211c3f9d
Change-Id: If5ba12c571c77643e57669ef85f8235496d4b06b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/117141 Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
20 lines
432 B
Dart
20 lines
432 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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class B extends A {
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A operator +(B b) => new C();
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}
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class C extends A {}
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main() {
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Map<int, B> map = {0: new B()};
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try {
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map[0] += new B();
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throw 'Expected type error';
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} catch (_) {}
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}
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