| /* |
| * 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 [T] can be a [Function] and [S] can be a type or |
| * empty string. |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A { |
| static int callme() => 25; |
| } |
| |
| int getme() => 0; |
| int i = 5; |
| String str = "test"; |
| |
| typedef Alias1<T> = void Function(T); |
| |
| typedef Alias2<T> = T Function(T); |
| typedef Alias3<T1, T2, T3> = T1 Function<T extends T2>(T3); |
| typedef Alias4<T> = Alias1 Function(T, int, [int]); |
| typedef Alias5<T> = void Function(T, int, {int i, T t, num n}); |
| |
| |
| typedef WAlias1<T> = A() Function(T); //# 01: compile-time error |
| typedef WAlias2<T, T2, T3> = A.callme() Function(T); //# 02: compile-time error |
| typedef WAlias3<T> = A.callme Function(T, int, [int]);//# 03: compile-time error |
| typedef WAlias4<T> = getme Function(T, int, [int]); //# 04: compile-time error |
| typedef WAlias5<T> = getme() Function(T, int, [int]); //# 05: compile-time error |
| typedef WAlias6<T> = i Function(T, int, [int]); //# 06: compile-time error |
| typedef WAlias7<T> = str Function(T, int, [int]); //# 07: compile-time error |
| |
| main() {} |