| 1 | @protocol P @end |
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| 2 | |
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| 3 | @interface NSMutableArray |
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| 4 | - (id)objectAtIndexedSubscript:(unsigned int)index; |
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| 5 | - (void)setObject:(id)object atIndexedSubscript:(unsigned int)index; |
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| 6 | @end |
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| 7 | |
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| 8 | @interface NSMutableDictionary |
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| 9 | - (id)objectForKeyedSubscript:(id)key; |
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| 10 | - (void)setObject:(id)object forKeyedSubscript:(id)key; |
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| 11 | @end |
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| 12 | |
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| 13 | void all() { |
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| 14 | NSMutableArray *array; |
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| 15 | id oldObject = array[10]; |
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| 16 | |
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| 17 | array[10] = oldObject; |
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| 18 | |
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| 19 | NSMutableDictionary *dictionary; |
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| 20 | id key; |
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| 21 | id newObject; |
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| 22 | oldObject = dictionary[key]; |
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| 23 | |
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| 24 | dictionary[key] = newObject; |
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| 25 | } |
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| 26 | |
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| 27 | |
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