Sam Rawlins
cddd44e1e9
Erik wrote a great explanation for this check here: https://github.com/dart-lang/sdk/issues/37993#issuecomment-757976910 Fixes https://github.com/dart-lang/sdk/issues/37993 Change-Id: I6fb0bd530fac495115314838ec0bb2168d5e9ad7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180088 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
34 lines
686 B
Dart
34 lines
686 B
Dart
// Copyright (c) 2018, 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.
|
|
|
|
class Thing {}
|
|
|
|
class SubThing extends Thing {
|
|
void sub() {}
|
|
}
|
|
|
|
class A {
|
|
Thing get thing => new Thing();
|
|
}
|
|
|
|
abstract class B implements A {
|
|
@override
|
|
SubThing get thing;
|
|
}
|
|
|
|
class C extends A //
|
|
// ^
|
|
// [analyzer] COMPILE_TIME_ERROR.INVALID_IMPLEMENTATION_OVERRIDE
|
|
// [cfe] The implementation of 'thing' in the non-abstract class 'C' does not conform to its interface.
|
|
with
|
|
B
|
|
{}
|
|
|
|
main() {
|
|
new C()
|
|
.thing //
|
|
.sub()
|
|
;
|
|
}
|