| /* |
| * Copyright (c) 2019, 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. |
| */ |
| /** |
| * @assertion A generic type alias is a declaration [D] of one of the following |
| * forms: |
| * m typedef id<X1extendsB1, ..., Xs extendsBs> = T; |
| * ... |
| * where [m] is derived from metadata, [T] is a type, and [S?] is a type or the |
| * empty string. Let [S0] be [S?] if it is a type, otherwise let [S0] be |
| * [dynamic]. The associated type of [D], call it [F], is, respectively: |
| * T |
| * ... |
| * @description Checks that exception is thrown if generic metadata is incorrect |
| * @compile-error |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| |
| int i = 1; |
| class C<T> {} |
| |
| @i typedef CAlias<T> = Function(); //# 01: compile-time error |
| |
| @i typedef Alias1<T> = Function<T1 extends T>(); //# 02: compile-time error |
| @i typedef Alias2<T> = void Function<T1 extends T>(T); //# 03: compile-time error |
| @i typedef Alias3<T> = T Function<T1 extends T>(T); //# 04: compile-time error |
| @i typedef Alias4<T> = String Function<T1 extends T>(T); //# 05: compile-time error |
| @i typedef Alias5<T> = Function<T1 extends T>(int, int, T); //# 06: compile-time error |
| @i typedef Alias6<T> = Function<T1 extends T>(int, int, T, [T]); //# 07: compile-time error |
| @i typedef Alias7<T> = Function<T1 extends T>(int, [T, T, T]); //# 08: compile-time error |
| |
| @A() typedef Alias9<T1, T2> = T1 Function<TT1 extends T1, TT2 extends T2>(); //# 09: compile-time error |
| @A() typedef Alias10<T1, T2> = T1 Function<TT1 extends T1, TT2 extends T2>(T2, {int a}); //# 10: compile-time error |
| @A() typedef Alias11<T1, T2> = T1 Function<TT1 extends T1, TT2 extends T2>([T1 a1, T2 a2]); //# 11: compile-time error |
| |
| main() { |
| } |
