/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* 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"
OF_ASSUME_NONNULL_BEGIN
/**
* @protocol OFCollection OFCollection.h ObjFW/OFCollection.h
*
* @brief A protocol with methods common for all collections.
*/
@protocol OFCollection <OFEnumeration, OFFastEnumeration>
/**
* @brief The number of objects in the collection
*/
@property (readonly, nonatomic) size_t count;
/**
* @brief Checks whether the collection contains an object equal to the
* specified object.
*
* @param object The object which is checked for being in the collection
* @return A boolean whether the collection contains the specified object
*/
- (bool)containsObject: (id)object;
@end
OF_ASSUME_NONNULL_END