1.原子性 (atomic ,nonatomic)
2.读写 (readwrite, readonly)
3.内存管理 (assign, strong, weak, unsafe_unretained,copy)
4.getter,setter
1.原子性 (atomic ,nonatomic)
2.读写 (readwrite, readonly)
3.内存管理 (assign, strong, weak, unsafe_unretained,copy)
4.getter,setter
本文标题: @property中有哪些关键字
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