blob: 800b1c7bc44f2c794d62bdc00a152a3dfff0ab30 [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.
class A {}
class B extends A {}
Iterable<B> f(Iterable<A> a) sync* {
yield* a;
// ^
// [cfe] A value of type 'Iterable<A>' can't be assigned to a variable of type 'Iterable<B>'.
void main() {
B b = new B();
for (var x in f(<B>[b])) {}