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/gecko_sdk/idl/nsIHashable.idl

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IDL | 59 lines | 7 code | 3 blank | 49 comment | 0 complexity | 94e6cdbdeb8d7ff49a57decf9f2966b3 MD5 | raw file
 1/* ***** BEGIN LICENSE BLOCK *****
 2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 3 *
 4 * The contents of this file are subject to the Mozilla Public License Version
 5 * 1.1 (the "License"); you may not use this file except in compliance with
 6 * the License. You may obtain a copy of the License at
 7 * http://www.mozilla.org/MPL/
 8 *
 9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Original Code is Mozilla XPCOM.
15 *
16 * The Initial Developer of the Original Code is
17 * Benjamin Smedberg <benjamin@smedbergs.us>.
18 *
19 * Portions created by the Initial Developer are Copyright (C) 2005
20 * the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
21 *
22 * Contributor(s):
23 *
24 * Alternatively, the contents of this file may be used under the terms of
25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
35 *
36 * ***** END LICENSE BLOCK ***** */
37
38#include "nsISupports.idl"
39
40/**
41 * Represents an object that can be stored in a hashtable.
42 *
43 * @status FROZEN - This interface will not change in the Mozilla 1.x lifetime
44 */
45[scriptable, uuid(17e595fa-b57a-4933-bd0f-b1812e8ab188)]
46interface nsIHashable : nsISupports
47{
48  /**
49   * Is this object the equivalent of the other object?
50   */
51  boolean equals(in nsIHashable aOther);
52
53  /**
54   * A generated hashcode for this object. Objects that are equivalent
55   * must have the same hash code. Getting this property should never
56   * throw an exception!
57   */
58  readonly attribute unsigned long hashCode;
59};