Robert Nystrom
2af6c644db
Change-Id: I48592c7d8a2d568dc8af14b51555bc59664ca36c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151467 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
103 lines
3.5 KiB
Dart
103 lines
3.5 KiB
Dart
// Copyright (c) 2019, 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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typedef F1<X> = void Function(X);
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typedef F2<X> = X Function(X);
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typedef F3<X> = void Function<Y extends X>();
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typedef F4<X> = X Function(X Function(void));
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typedef F5<X, Y> = Y Function(X);
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typedef F6<X, Y> = X Function(Y);
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class A<X> {}
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class B<X> extends A<F1<X>> {} //# 01: compile-time error
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class B<X> extends A<F2<X>> {} //# 02: compile-time error
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class B<X> extends A<F3<X>> {} //# 03: compile-time error
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class B<X> extends A<F4<X>> {} //# 04: compile-time error
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class B<X, Y> extends A<F5<X, Y>> {} //# 05: compile-time error
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class B<X, Y> extends A<F6<X, Y>> {} //# 06: compile-time error
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class B<X> extends Object with A<F1<X>> {} //# 07: compile-time error
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class B<X> extends Object with A<F2<X>> {} //# 08: compile-time error
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class B<X> extends Object with A<F3<X>> {} //# 09: compile-time error
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class B<X> extends Object with A<F4<X>> {} //# 10: compile-time error
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class B<X, Y> extends Object with A<F5<X, Y>> {} //# 11: compile-time error
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class B<X, Y> extends Object with A<F6<X, Y>> {} //# 12: compile-time error
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class B<X> implements A<F1<X>> {} //# 13: compile-time error
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class B<X> implements A<F2<X>> {} //# 14: compile-time error
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class B<X> implements A<F3<X>> {} //# 15: compile-time error
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class B<X> implements A<F4<X>> {} //# 16: compile-time error
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class B<X, Y> implements A<F5<X, Y>> {} //# 17: compile-time error
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class B<X, Y> implements A<F6<X, Y>> {} //# 18: compile-time error
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class B<X> extends A<void Function(X)> {} //# 19: compile-time error
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class B<X> extends A<X Function(X)> {} //# 20: compile-time error
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// Two errors here: Invariance in superinterface and
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// generic function type used as actual type argument.
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class B<X> extends A<void Function<Y extends X>()> {} //# 21: compile-time error
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class B<X> extends A<X Function(X Function(void))> {} //# 22: compile-time error
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class B<X, Y> extends A<Y Function(X)> {} //# 23: compile-time error
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class B<X, Y> extends A<X Function(Y)> {} //# 24: compile-time error
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class B<X> extends Object with A<void Function(X)> {} //# 25: compile-time error
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class B<X> extends Object with A<X Function(X)> {} //# 26: compile-time error
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// Two errors here: Invariance in superinterface and
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// generic function type used as actual type argument.
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class B<X> extends Object //# 27: compile-time error
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with //# 27: continued
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A<void Function<Y extends X>()> {} //# 27: continued
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class B<X> extends Object //# 28: compile-time error
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with //# 28: continued
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A<X Function(X Function(void))> {} //# 28: continued
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class B<X, Y> extends Object with A<Y Function(X)> {} //# 29: compile-time error
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class B<X, Y> extends Object with A<X Function(Y)> {} //# 30: compile-time error
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class B<X> implements A<void Function(X)> {} //# 31: compile-time error
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class B<X> implements A<X Function(X)> {} //# 32: compile-time error
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// Two errors here: Invariance in superinterface and
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// generic function type used as actual type argument.
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class B<X> //# 33: compile-time error
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implements //# 33: continued
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A<void Function<Y extends X>()> {} //# 33: continued
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class B<X> //# 34: compile-time error
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implements //# 34: continued
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A<X Function(X Function(void))> {} //# 34: continued
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class B<X, Y> implements A<Y Function(X)> {} //# 35: compile-time error
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class B<X, Y> implements A<X Function(Y)> {} //# 36: compile-time error
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main() {
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A();
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}
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