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/* Protocol for Objective-C objects that use a comparitor while holding
elements in a sequence.
Copyright (C) 1993 R. Andrew McCallum <mccallum@cs.rochester.edu>
Dept. of Computer Science, U. of Rochester, Rochester, NY 14627
This file is part of the GNU Objective-C Collection library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* The <ComparedCollecting> protocol inherits from the
<IndexedCollecting> protocol.
The <ComparedCollecting> protocol defines the interface to a
collection of elements whose sequence is determined by some comparison
operator.
*/
#ifndef __ComparedCollecting_h_INCLUDE_GNU
#define __ComparedCollecting_h_INCLUDE_GNU
#include <coll/IndexedCollecting.h>
@protocol ComparedCollecting <IndexedCollecting>
// INITIALIZING;
- initComparisonSel: (SEL)aCompareSel;
// MANAGING COMPARATOR;
- setComparisonSel: (SEL)aCompareSel;
- (SEL) comparisonSel;
- (BOOL) comparatorIsSel;
// NON-OBJECT ELEMENT METHOD NAMES;
- initDescription: (const char *)type
comparisonFunc: (int(*)(elt,elt))aFunc;
- initComparisonFunc: (int(*)(elt,elt))aFunc;
- setComparisonFunc: (int(*)(elt,elt))aFunc;
- (int(*)(elt,elt)) comparisonFunc;
- (BOOL) comparatorIsFunc;
@end
#endif /* __ComparedCollecting_h_INCLUDE_GNU */
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