| // Copyright (c) 2026, 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. | |
| String test1(Object x) => switch (x) { | |
| String s => s, | |
| int i => "$i", | |
| _ => throw ArgumentError(), | |
| }; | |
| abstract class A { | |
| Object get x; | |
| } | |
| abstract class B { | |
| A get a; | |
| } | |
| void test2(B obj) { | |
| if (obj.a.x case [String path]) { | |
| print(path); | |
| } | |
| } | |
| abstract class C { | |
| D get d; | |
| } | |
| abstract class D { | |
| List<String>? operator [](String name); | |
| } | |
| void test3(C obj) { | |
| if (obj.d['foo'] case [String path]) { | |
| print(path); | |
| } | |
| } | |
| void main() {} |