NSAOrderedDictionary.h

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//
//  NSAOrderedDictionary.h
//  FoundationExtension
//
//  Created by Jeong YunWon on 12. 11. 4..
//  Copyright (c) 2012 youknowone.org. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSAOrderedDictionary : NSDictionary {
    NSDictionary *_impl;
    NSOrderedSet *_order;
}

- (id)keyAtIndex:(NSUInteger)index;
- (id)objectAtIndex:(NSUInteger)index;
- (NSUInteger)indexOfKey:(id)key;
- (NSEnumerator *)reversedKeyEnumerator;

@end

@interface NSAMutableOrderedDictionary : NSMutableDictionary {
    NSMutableDictionary *_impl;
    NSMutableOrderedSet *_order;
}

- (id)keyAtIndex:(NSUInteger)index;
- (id)objectAtIndex:(NSUInteger)index;
- (NSUInteger)indexOfKey:(id)key;
- (NSEnumerator *)reversedKeyEnumerator;

@end