Files
sdk/runtime/lib/bool_patch.dart
T
Lars Bak bc6358e5ef Sped up hashCode by removing megamorphic call to _identityHashCode.
Microbenchmark measuring megamorhic hashCode access shows 25% speedup.

BUG=
R=asiva@google.com

Review URL: https://codereview.chromium.org/2137673002 .
2016-07-08 15:19:55 -07:00

16 lines
532 B
Dart

// Copyright (c) 2012, 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.
// Dart core library.
patch class bool {
/* patch */ const factory bool.fromEnvironment(String name,
{bool defaultValue: false})
native "Bool_fromEnvironment";
int get hashCode => this ? 1231 : 1237;
int get _identityHashCode => this ? 1231 : 1237;
}