John Messerly
23 lines
576 B
Dart
23 lines
576 B
Dart
// Copyright (c) 2011, 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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// Dart version of two-argument Ackermann-Peter function.
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import "package:expect/expect.dart";
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class AckermannTest {
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static ack(m, n) {
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return m == 0 ?
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n + 1 : ((n == 0) ?
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ack(m - 1, 1) : ack(m - 1, ack(m, n - 1)));
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}
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static testMain() {
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Expect.equals(253, ack(3, 5));
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}
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}
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main() {
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AckermannTest.testMain();
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}
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