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| 1 | - | id obj = [[NSObject alloc] init]; |
| 1 | + | - (NSUInteger)retainCount |
| 2 | - | NSLog(@"retainCount=%d", [obj retainCount]); |
| 2 | + | {
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| 3 | return NSExtraRefCount(self) + 1; | |
| 4 | - | /* |
| 4 | + | } |
| 5 | - | * retainCount=1 будет выведено в консоль |
| 5 | + | |
| 6 | - | */ |
| 6 | + | inline NSUInteger |
| 7 | NSExtraRefCount(id anObject) | |
| 8 | {
| |
| 9 | return (struct obj_layout *)anObject)[-1].retained; | |
| 10 | } |
