Lars Bak
bc6358e5ef
Microbenchmark measuring megamorhic hashCode access shows 25% speedup. BUG= R=asiva@google.com Review URL: https://codereview.chromium.org/2137673002 .
19 lines
558 B
Dart
19 lines
558 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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// Dart core library.
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patch class Null {
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factory Null._uninstantiable() {
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throw new UnsupportedError("class Null cannot be instantiated");
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}
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static const _HASH_CODE = 2011; // The year Dart was announced and a prime.
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int get hashCode => _HASH_CODE;
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int get _identityHashCode => _HASH_CODE;
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String toString() => 'null';
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}
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