| 1 | #include <objc/NSObject.h> |
|---|---|
| 2 | |
| 3 | @interface Classic : NSObject { |
| 4 | @public |
| 5 | int _ivar; |
| 6 | } |
| 7 | @end |
| 8 | |
| 9 | @implementation Classic |
| 10 | - (void)fun { |
| 11 | // check self |
| 12 | } |
| 13 | |
| 14 | - (void)run { |
| 15 | __weak Classic *weakSelf = self; |
| 16 | ^{ |
| 17 | Classic *self = weakSelf; |
| 18 | // check idiomatic self |
| 19 | |
| 20 | // Use `self` to extend its lifetime (for lldb to inspect the variable). |
| 21 | [self copy]; |
| 22 | }(); |
| 23 | } |
| 24 | @end |
| 25 | |
| 26 | int main() { |
| 27 | Classic *c = [Classic new]; |
| 28 | c->_ivar = 30; |
| 29 | [c fun]; |
| 30 | [c run]; |
| 31 | } |
| 32 |