| 1 | @interface RootObject |
|---|---|
| 2 | @end |
| 3 | |
| 4 | @interface BaseClass : RootObject |
| 5 | @end |
| 6 | |
| 7 | @interface BaseClass() { |
| 8 | int _field1; |
| 9 | } |
| 10 | @property(atomic, assign, readonly) int field2; |
| 11 | |
| 12 | - (int)addFields; |
| 13 | @end |
| 14 | |
| 15 | @implementation BaseClass |
| 16 | - (int)addFields { |
| 17 | return self->_field1 + [self field2]; |
| 18 | } |
| 19 | @end |
| 20 | |
| 21 |