johnlenz@google.com
95578019c0
places we were converting primitives to Object types by "this" coersions. Fixes issue 79. Review URL: http://codereview.chromium.org//8286001 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@456 260f80e4-7a28-3924-810f-c04153c831b5
24 lines
987 B
Dart
24 lines
987 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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// Adds Dart-methods to the prototype of the JS Boolean function.
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// TODO(floitsch): the following comment needs to be updated once we compile
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// boolean checks with '=== true'.
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// WARNING: 'this' inside this class is always treated as 'true'.
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// That is if (this) ... will always pick the 'then' branch.
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// The reason is that, once compiled to JS, 'this' is represented by a
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// JS Boolean object. However "if (new Boolean(false)) .." picks the then
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// branch.
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class BoolImplementation implements bool native "Boolean" {
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bool operator ==(other) native;
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// TODO(floitsch): we should intercept toString for primitives, to avoid
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// creating a wrapper object.
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String toString() native;
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BoolImplementation toBool() native;
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get dynamic() { return toBool(); }
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}
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