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advantis/gist:6988180

Created October 15, 2013 08:09
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Thoughts about a bit more formal approach to indexed/keyed subscripting
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gistfile1.m
@protocol ADVIndexedSubscripting <NSObject>
- (id) objectAtIndexedSubscript:(NSUInteger)index;
@end
@protocol ADVMutableIndexedSubscripting <ADVIndexedSubscripting>
- (void) setObject:(id)object atIndexedSubscript:(NSUInteger)index;
@end
@protocol ADVKeyedSubscripting <NSObject>
- (id) objectForKeyedSubscript:(id)key;
@end
@protocol ADVMutableKeySubscripting <ADVKeyedSubscripting>
- (void) setObject:(id)object forKeyedSubscript:(id <NSCopying>)key;
@end
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