/* * Copyright (c) 2008, 2009, 2010, 2011 * Jonathan Schleifer <js@webkeks.org> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "OFEnumerator.h" /** * \brief A protocol with methods common for all collections. */ @protocol OFCollection <OFObject> #ifdef OF_HAVE_PROPERTIES @property (readonly) size_t count; #endif /** * \return The number of objects in the collection */ - (size_t)count; /** * \returns An OFEnumerator to enumerate through all objects of the collection */ - (OFEnumerator*)objectEnumerator; /** * \return A boolean whether the collection contains the specified object. */ - (BOOL)containsObject: (id)obj; /** * \return A boolean whether the collection contains an object with the * specified address. */ - (BOOL)containsObjectIdenticalTo: (id)obj; @end