Robert Nystrom
ed571882d2
Change-Id: I2f638cbf6b0fc6e91b3666143a34eb12a66c6fea Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/141780 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Leaf Petersen <leafp@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
28 lines
763 B
Dart
28 lines
763 B
Dart
// Copyright (c) 2012, 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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// Check type bounds when invoking a redirecting factory method
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abstract class Foo {}
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abstract class IA<T> {
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factory IA() = A<T>;
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// ^
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// [cfe] The type 'T' doesn't extend 'Foo'.
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// ^
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// [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS
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}
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class A<T extends Foo> implements IA<T> {
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factory A() { return A._(); }
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A._();
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}
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main() {
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var result = new IA<String>();
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// ^
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// [cfe] Type argument 'String' doesn't conform to the bound 'Foo' of the type variable 'T' on 'A'.
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}
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