| // 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. |
| |
| // @dart = 2.7 |
| |
| /*spec:nnbd-off|prod:nnbd-off.class: I1:*/ |
| class I1 {} |
| |
| /*spec:nnbd-off|spec:nnbd-sdk.class: I2:checkedInstance*/ |
| class I2 {} |
| |
| /*spec:nnbd-off|spec:nnbd-sdk.class: A:checks=[$isI2],instance*/ |
| /*prod:nnbd-off|prod:nnbd-sdk.class: A:checks=[],instance*/ |
| class A implements I1, I2 {} |
| |
| /*spec:nnbd-off|spec:nnbd-sdk.class: B:checks=[$isI2],instance*/ |
| /*prod:nnbd-off|prod:nnbd-sdk.class: B:checks=[],instance*/ |
| class B implements I1, I2 {} |
| |
| @pragma('dart2js:noInline') |
| void foo(I1 x) {} |
| |
| @pragma('dart2js:noInline') |
| void bar(I2 x) {} |
| |
| main() { |
| dynamic f = bar; |
| |
| foo(new A()); |
| foo(new B()); |
| f(new A()); |
| f(new B()); |
| } |
