mirror of
https://github.com/dart-lang/sdk
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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>
105 lines
2 KiB
Dart
105 lines
2 KiB
Dart
// Copyright (c) 2015, 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 MS<T> {
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foo() {
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return "MS<$T>.foo\n";
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}
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}
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mixin M<T> on MS<List<T>> {
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foo() {
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return super.foo() + "M<$T>.foo\n";
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}
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}
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class NS<T> {
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foo() {
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return "NS<$T>.foo\n";
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}
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}
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mixin N<T> on NS<List<T>> {
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foo() {
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return super.foo() + "N<$T>.foo\n";
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}
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}
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class S<T, V, W> implements MS<List<V>>, NS<List<W>> {
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foo() {
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return "S<$T,$V,$W>.foo\n";
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}
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}
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class SM<U, V, W> = S<U, V, W> with M<V>;
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class MNA1<U, V, W> extends S<U, V, W> with M<V>, N<W> {
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foo() {
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return super.foo() + "MNA1<$U, $V, $W>.foo\n";
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}
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}
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class MNA2<U, V, W> extends SM<U, V, W> with N<W> {
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foo() {
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return super.foo() + "MNA2<$U, $V, $W>.foo\n";
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}
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}
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class MNA3<U, V, W> extends S<U, V, W> with M<V>, N<W> {
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foo() {
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return super.foo() + "MNA3<$U, $V, $W>.foo\n";
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}
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}
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abstract class Base {
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static String log = '';
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Base() {
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log += 'Base()\n';
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}
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}
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mixin Foo on Base {
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var x = Base.log += 'Foo.x\n';
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}
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mixin Bar on Base {
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var y = Base.log += 'Bar.y\n';
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}
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class Derived extends Base with Foo, Bar {
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String get log => Base.log;
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}
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main() {
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Expect.equals(
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"S<int,String,bool>.foo\n"
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"M<String>.foo\n",
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SM<int, String, bool>().foo());
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Expect.equals(
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"S<int,String,bool>.foo\n"
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"M<String>.foo\n"
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"N<bool>.foo\n"
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"MNA1<int, String, bool>.foo\n",
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MNA1<int, String, bool>().foo());
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Expect.equals(
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"S<int,String,bool>.foo\n"
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"M<String>.foo\n"
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"N<bool>.foo\n"
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"MNA2<int, String, bool>.foo\n",
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MNA2<int, String, bool>().foo());
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Expect.equals(
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"S<int,String,bool>.foo\n"
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"M<String>.foo\n"
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"N<bool>.foo\n"
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"MNA3<int, String, bool>.foo\n",
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MNA3<int, String, bool>().foo());
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Expect.equals(
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"Bar.y\n"
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"Foo.x\n"
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"Base()\n",
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Derived().log);
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}
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