Robert Nystrom
d839eb7bf9
Change-Id: I4501e9a9d2d958cecf21460b628d2ac50a5135bc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149492 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
52 lines
1.1 KiB
Dart
52 lines
1.1 KiB
Dart
// Copyright (c) 2013, 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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import "package:expect/expect.dart";
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class M<T> {
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t() {
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return T;
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}
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}
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class A<U> = Object with M<List<U>>;
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class B0 = Object with A<Set<bool>>;
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class B1 = Object with A<Set<int>>;
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class C0 extends B0 {}
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class C1 extends B1 {}
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class A2<K, V> = Object with M<Map<K, V>>;
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class B2<V> = Object with A2<Set<V>, List<V>>;
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class B3<K, V> = Object with A2<Set<K>, List<V>>;
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class C2<T> extends B2<T> {}
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class C3<T> extends B3<T, int> {}
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class N {
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q() {
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return 42;
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}
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}
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class O<U> = Object with N;
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class P<K, V> = Object with O<V>;
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class Q<K, V> extends P<K, V> {}
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main() {
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Expect.equals("List<Set<bool>>", new C0().t().toString());
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Expect.equals("List<Set<int>>", new C1().t().toString());
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Expect.equals("Map<Set<bool>, List<bool>>", new C2<bool>().t().toString());
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Expect.equals("Map<Set<bool>, List<int>>", new C3<bool>().t().toString());
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Expect.equals(42, new Q<bool, int>().q());
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}
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