sdk/lib/core/identical.dart - Issue 24280003: Add Object.hashCodeOf to get the default hashCode of an object.

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Issue 24280003: Add Object.hashCodeOf to get the default hashCode of an object. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Now top-level and called identityHashCode Created 7 years, 3 months ago

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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a	2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.	3 // BSD-style license that can be found in the LICENSE file.

4	4

5 part of dart.core;	5 part of dart.core;

6	6

7 /**	7 /**

8 * Check whether two references are to the same object.	8 * Check whether two references are to the same object.

9 */	9 */

10 external bool identical(Object a, Object b);	10 external bool identical(Object a, Object b);

	11

	12 /**

	13 * Returns the identity hash code of `object`.

	14 *

	15 * Returns the same value as `object.hashCode` if [object] has not overridden

	16 * [Object.hashCode]. Returns the value that [Object.hashCode] would return

	17 * on this object, even if `hashCode` has been overridden.

	18 *

	19 * This hash code is compatible with [identical].

	20 */

	21 external int identityHashCode(Object object);

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