hausner@google.com
8b8795fc0b
Compile time error if a const constructor calls a non-const super constructor (either explicitly or implicitly). R=regis@google.com Review URL: https://codereview.chromium.org//18558002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24704 260f80e4-7a28-3924-810f-c04153c831b5
32 lines
794 B
Dart
32 lines
794 B
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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class A {
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final a;
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A(this.a); // Not const.
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const A.five() : a = 5;
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}
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class B extends A {
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final b;
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B(x) : b = x + 1, super(x);
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// Const constructor cannot call non-const super constructor.
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const B.zerofive() : b = 0, super(5); /// 01: compile-time error
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}
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class C extends A {
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C() : super(0);
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// Implicit call to non-const constructor A(x).
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const C.named(x); /// 02: compile-time error
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}
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main() {
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var b = new B.zerofive(); /// 01: continued
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var b1 = new B(0);
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var c = new C.named(""); /// 02: continued
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}
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