Language/Types/Type_Aliases/scope_t02.dart

/*
 * 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 The effect of a type alias of the form typedef id = T; declared in
 * a library L is to introduce the name id into the scope of L, bound to the
 * type T .
 * @description Checks that it is a compile error if id is not unique
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=nonfunction-type-aliases

class A {}
class C<T> {}

typedef AAlias = A;
typedef CAlias<T> = C<T>;

typedef AAlias = A;             //# 01: compile-time error
typedef AAlias = C<String>;     //# 02: compile-time error
typedef CAlias<T> = C<T>;       //# 03: compile-time error
typedef CAlias = C<String>;     //# 04: compile-time error
typedef CAlias<T1, T2> = C<T1>; //# 05: compile-time error

main() {
}