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CPEnumerator.j
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CPEnumerator.j
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/*
* CPEnumerator.j
* Foundation
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import "CPObject.j"
/*!
@class CPEnumerator
@ingroup foundation
@brief Defines an interface for enumerators.
CPEnumerator is a superclass (with useless method bodies)
that defines an interface for subclasses to follow. The purpose of an
enumerator is to be a convenient system for traversing over the elements
of a collection of objects.
*/
@implementation CPEnumerator : CPObject
/*!
Returns the next object in the collection.
No particular ordering is guaranteed.
*/
- (id)nextObject
{
return nil;
}
/*!
Returns all objects in the collection in an array.
No particular ordering is guaranteed.
*/
- (CPArray)allObjects
{
return [];
}
@end