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8de8a1c226
They are all errors now. Change-Id: If48d38e38e845fd5b5a950dd5514bf1cbbce03d8 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155880 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
20 lines
530 B
Dart
20 lines
530 B
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class A {}
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class B extends A {}
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Iterable<B> f(Iterable<A> a) sync* {
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yield* a;
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// ^
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// [analyzer] COMPILE_TIME_ERROR.YIELD_OF_INVALID_TYPE
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// [cfe] A value of type 'Iterable<A>' can't be assigned to a variable of type 'Iterable<B>'.
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}
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void main() {
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B b = new B();
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for (var x in f(<B>[b])) {}
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}
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