LanguageFeatures/Enhanced-Enum/constructor_call_A02_t01.dart

// Copyright (c) 2021, 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 It is a compile-time error to refer to a declared or default
/// generative constructor of an enum declaration in any way, other than:
/// - As the target of a redirecting generative constructor of the same enum
///   declaration (: this(...);/: this.targetName(...);), or
/// - Implicitly in the enum value declarations of the same enum
///   (enumValueName(args)/enumValueName.targetName(args)).
///
/// @description Check that it’s a compile time error to call any of enums
/// generative constructors in a factory constructor
/// @author sgrekhov@unipro.ru

enum E {
  e1(1),
  e2.named(3),
  e3(3);

  const E(int i);
  const E.named(int i) : this(i);

  factory E.f1(int i) => E.named(i);
//                       ^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

  factory E.f2(int i) => this(i);
//                       ^^^^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  E.f1(42);
}