The difference between declaring a variable 「id」 and 「NSObject *」
Question:dom In Objective-C, what's the difference between declaring a variable id versus declaring it NSObject *?this Answer: spa With a variable typed id, you can send it any known message and the c
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相關文章
- 1. Difference between hash() and id()
- 2. What's the difference between →, ⊢ and ⊨ ?
- 3. 轉：The Difference Between a LayoutTransform and a RenderTransform
- 4. What's the difference between returning void and returning a Task?
- 5. What's the difference between a stub and mock?
- 6. The difference between su and su-
- 7. difference between "||" and "|", "&&" and "&"
- 8. What's the difference between frame and bounds
- 9. Difference between the trait and phenotype
- 10. The difference between Proxy and CGLIB