blob: 59cf36fb110b17be1c6d161db81f8b1d8162b510 [file] [log] [blame]
// Copyright (c) 2017, 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.
import "package:expect/expect.dart";
class A {}
class B extends A {}
Iterable<B> f(A a) sync* {
yield a;
void main() {
A a = new B();
for (var x in f(a)) {} // No error
a = new A();
var iterator = f(a).iterator;
Expect.throwsTypeError(() {