mirror of
https://github.com/dart-lang/sdk
synced 2024-09-18 21:01:20 +00:00
31 lines
872 B
Dart
31 lines
872 B
Dart
|
// Copyright (c) 2023, 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.
|
||
|
|
||
|
// Tests that field promotion of the representation variable works properly in
|
||
|
// cascade expressions.
|
||
|
|
||
|
import '../static_type_helper.dart';
|
||
|
|
||
|
extension type E(Object Function() _f) {
|
||
|
testExplicitThisAccess() {
|
||
|
if (this._f is int Function()) {
|
||
|
this.._f.expectStaticType<Exactly<int Function()>>();
|
||
|
this.._f().expectStaticType<Exactly<int>>();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
testGeneralPropertyAccess(E e) {
|
||
|
if (e._f is int Function()) {
|
||
|
e.._f.expectStaticType<Exactly<int Function()>>();
|
||
|
e.._f().expectStaticType<Exactly<int>>();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
main() {
|
||
|
int Function() f = () => 0;
|
||
|
E(f).testExplicitThisAccess();
|
||
|
testGeneralPropertyAccess(E(f));
|
||
|
}
|