Language/Expressions/Constants/constant_constructor_t02.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 A constant expression is an expression whose value can never
/// change, and that can be evaluated entirely at compile time.
/// A constant expression is one of the following:
/// . . .
/// • A constant constructor invocation that is not qualified by a deferred
///   prefix.
/// @description Checks that a value created using constant constructor with
/// a prefix is a constant expression.
/// @author ngl@unipro.ru

import '../../../Utils/expect.dart';
import 'constants_lib.dart' as clib;

class A {
  const A() : a = "hello";
  final a;
}

final constList = const [
  const A(),
  const clib.A()
];

main() {
  Expect.isTrue(constList is List);
  Expect.runtimeIsType<List>(constList);
}