| // Copyright (c) 2019, 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. |
| |
| // @dart = 2.7 |
| |
| /*spec:nnbd-off|spec:nnbd-sdk.class: A:checkedInstance,checkedTypeArgument,checks=[],typeArgument*/ |
| /*prod:nnbd-off|prod:nnbd-sdk.class: A:checkedTypeArgument,checks=[],typeArgument*/ |
| class A {} |
| |
| /*spec:nnbd-off|spec:nnbd-sdk.class: B:checkedInstance,checks=[$isA],typeArgument*/ |
| /*prod:nnbd-off|prod:nnbd-sdk.class: B:checks=[$isA],typeArgument*/ |
| class B implements A {} |
| |
| /*class: C:checks=[],indirectInstance*/ |
| class C<T> { |
| @pragma('dart2js:noInline') |
| method(void Function(T) f) {} |
| } |
| |
| /*class: D:checks=[],instance*/ |
| class D extends C<B> {} |
| |
| main() { |
| C<A> c = new D(); |
| c.method( |
| /*spec:nnbd-off|spec:nnbd-sdk.checks=[$signature],instance*/ |
| /*prod:nnbd-off|prod:nnbd-sdk.checks=[],instance*/ |
| (A a) {}); |
| } |
