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67 lines
1.6 KiB
Mathematica
67 lines
1.6 KiB
Mathematica
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/* Implementation for Objective-C Queue object
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Copyright (C) 1993,1994 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Date: May 1993
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <objects/Queue.h>
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#include <objects/ArrayPrivate.h>
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@implementation Queue
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+ initialize
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{
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if (self == [Queue class])
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[self setVersion:0]; /* beta release */
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return self;
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}
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- enqueueElement: (elt)newElement
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{
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[self prependElement:newElement];
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return self;
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}
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/* Overriding */
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- addElement: (elt)anElement
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{
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[self enqueueElement:anElement];
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return self;
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}
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- (elt) dequeueElement
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{
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return [self removeLastElement];
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}
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// OBJECT-COMPATIBLE MESSAGE NAMES;
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- enqueueObject: newObject
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{
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return [self enqueueElement:newObject];
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}
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- dequeueObject
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{
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return [self dequeueElement].id_u;
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}
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@end
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