Language/Statements/Switch/expressions_t04.dart

// Copyright (c) 2011, 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 if the values of the expressions ek
/// are not either:
/// • instances of the same class C, for all k in 1..n, or
/// • instances of a class that implements int, for all k in 1..n, or
/// • instances of a class that implements String, for all k in 1..n.
/// @description Checks that it is a compile-time error if case expressions
/// are instances of different user-defined classes.
/// @compile-error
/// @author ilya


class C {
  final id;
  const C(this.id);
}

class D {
  final id;
  const D(this.id);
}

main() {
  var x = const C(0);
  switch (x) {
    case const C(1):
    case const C(2):
    case const D(1):
  }
}