Nil/zh CN

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Nil是一个空指针，它不指向任何对象或变量，这个指针什么也没指向。

更多

  • Assigned 测试程序当中的指针或变量是否为，如果为Nil则返回 false
  • FreeAndNil 释放内存中的对象，设置为 nil
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