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fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
30 lines
1 KiB
Dart
30 lines
1 KiB
Dart
// Copyright (c) 2015, 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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// Regression test for issue 21912.
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class A {}
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class B extends A {}
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typedef T Function2<S, T>(S z);
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typedef B AToB(A x);
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typedef A BToA(B x);
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void main() {
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{
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Function2<Function2<A, B>, Function2<B, A>> t1;
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Function2<AToB, BToA> t2;
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Function2<Function2<int, double>, Function2<int, double>> left;
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left = t1;
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// ^^
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// [analyzer] STATIC_TYPE_WARNING.INVALID_ASSIGNMENT
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// [cfe] A value of type 'A Function(B) Function(B Function(A))' can't be assigned to a variable of type 'double Function(int) Function(double Function(int))'.
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left = t2;
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// ^^
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// [analyzer] STATIC_TYPE_WARNING.INVALID_ASSIGNMENT
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// [cfe] A value of type 'A Function(B) Function(B Function(A))' can't be assigned to a variable of type 'double Function(int) Function(double Function(int))'.
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}
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}
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